/*!
 * So Simple Jekyll Theme 3.2.0
 * Copyright 2013-2019 Michael Rose - mademistakes.com | @mmistakes
 * Free for personal and commercial use under the MIT license
 * https://github.com/mmistakes/so-simple-theme/blob/master/LICENSE
*/
/* ==========================================================================
   Color Functions
   ========================================================================== */
/*
   EM conversion
   ========================================================================== */
/* ==========================================================================
   Fluid Type
   as seen on https://madebymike.com.au/writing/fluid-type-calc-examples/
   ========================================================================== */
/*
   Compass YIQ Color Contrast
   https://github.com/easy-designs/yiq-color-contrast
   ========================================================================== */
/* ==========================================================================
   Variables
   ========================================================================== */
/* Breakpoint widths */
/* Fluid type */
/* Calculate Modular Scale */
/* small */
/* large */
/* Heading 1 */
/* Heading 2 */
/* Heading 3 */
/* Heading 4 */
/* Heading 5 */
/* Heading 6 */
/* Font Families */
/* YIQ color contrast */
/* Brands */
/* Max-width of the main content */
/* Max-width of the main content + sidebar */
/* Site logo */
/* Border radius */
/* Global transition */
/* ==========================================================================
   Clearfix Mixin
   ========================================================================== */
/*
  * Provides an easy way to include a clearfix for containing floats.
  * link http://cssmojo.com/latest_new_clearfix_so_far/
  *
  * example scss - Usage
  *
  * .element {
  *   @include clearfix;
  * }
  *
  * example css - CSS Output
  *
  * .element::after {
  *   clear: both;
  *   content: "";
  *   display: table;
  * }
*/
/* ==========================================================================
   Float Mixins
   ========================================================================== */
/* ==========================================================================
   Image Mixins
   - Responsive image
   - Retina image
   ========================================================================== */
/*
   Responsive image
   Keep images from scaling beyond the width of their parents.
   ========================================================================== */
/*
   Retina image
   Short retina mixin for setting background-image and -size.
   ========================================================================== */
/* ==========================================================================
   List Mixins
   ========================================================================== */
/* ==========================================================================
   Text Truncate Mixin
   Requires inline-block or block for proper styling
   ========================================================================== */
/*! Lity - v3.0.0-dev - 2017-07-17
* http://sorgalla.com/lity/
* Copyright (c) 2015-2017 Jan Sorgalla; Licensed MIT */
.lity {
  z-index: 9990;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  white-space: nowrap;
  background: #0b0b0b;
  background: rgba(0, 0, 0, 0.9);
  outline: none !important;
  opacity: 0;
  -webkit-transition: opacity .3s ease;
  -o-transition: opacity .3s ease;
  transition: opacity .3s ease; }

.lity.lity-opened {
  opacity: 1; }

.lity.lity-closed {
  opacity: 0; }

.lity * {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box; }

.lity-wrap {
  z-index: 9990;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  text-align: center;
  outline: none !important; }

.lity-wrap:before {
  content: '';
  display: inline-block;
  height: 100%;
  vertical-align: middle;
  margin-right: -0.25em; }

.lity-loader {
  z-index: 9991;
  color: #fff;
  position: absolute;
  top: 50%;
  margin-top: -0.8em;
  width: 100%;
  text-align: center;
  font-size: 14px;
  font-family: Arial, Helvetica, sans-serif;
  opacity: 0;
  -webkit-transition: opacity .3s ease;
  -o-transition: opacity .3s ease;
  transition: opacity .3s ease; }

.lity-loading .lity-loader {
  opacity: 1; }

.lity-container {
  z-index: 9992;
  position: relative;
  text-align: left;
  vertical-align: middle;
  display: inline-block;
  white-space: normal;
  max-width: 100%;
  max-height: 100%;
  outline: none !important; }

.lity-content {
  z-index: 9993;
  width: 100%;
  -webkit-transform: scale(1);
  -ms-transform: scale(1);
  -o-transform: scale(1);
  transform: scale(1);
  -webkit-transition: -webkit-transform .3s ease;
  transition: -webkit-transform .3s ease;
  -o-transition: -o-transform .3s ease;
  transition: transform .3s ease;
  transition: transform .3s ease, -webkit-transform .3s ease, -o-transform .3s ease; }

.lity-loading .lity-content,
.lity-closed .lity-content {
  -webkit-transform: scale(0.8);
  -ms-transform: scale(0.8);
  -o-transform: scale(0.8);
  transform: scale(0.8); }

.lity-content:after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  display: block;
  right: 0;
  width: auto;
  height: auto;
  z-index: -1;
  -webkit-box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.6); }

.lity-close {
  z-index: 9994;
  width: 35px;
  height: 35px;
  /* Change to position: absolute to display close button inside content container */
  position: fixed;
  right: 0;
  top: 0;
  -webkit-appearance: none;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  padding: 0;
  color: #fff;
  font-style: normal;
  font-size: 35px;
  font-family: Arial, Baskerville, monospace;
  line-height: 35px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  border: 0;
  background: none;
  outline: none;
  -webkit-box-shadow: none;
  box-shadow: none; }

.lity-close::-moz-focus-inner {
  border: 0;
  padding: 0; }

.lity-close:hover,
.lity-close:focus,
.lity-close:active,
.lity-close:visited {
  text-decoration: none;
  text-align: center;
  padding: 0;
  color: #fff;
  font-style: normal;
  font-size: 35px;
  font-family: Arial, Baskerville, monospace;
  line-height: 35px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  border: 0;
  background: none;
  outline: none;
  -webkit-box-shadow: none;
  box-shadow: none; }

.lity-close:active {
  top: 1px; }

/* Image */
.lity-image img {
  max-width: 100%;
  display: block;
  line-height: 0;
  border: 0; }

/* iFrame */
.lity-iframe .lity-container {
  width: 100%;
  max-width: 964px; }

.lity-iframe-container {
  width: 100%;
  height: 0;
  padding-top: 56.25%;
  overflow: auto;
  pointer-events: auto;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-overflow-scrolling: touch; }

.lity-iframe-container iframe {
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
  background: #000; }

.lity-hide {
  display: none; }

/* Core Styles */
/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */
/**
 * 1. Change the default font family in all browsers (opinionated).
 * 2. Prevent adjustments of font size after orientation changes in
 *    IE on Windows Phone and in iOS.
 */
/* Document
   ========================================================================== */
html {
  font-family: "Source Sans Pro", sans-serif;
  /* 1 */
  box-sizing: border-box;
  -ms-text-size-adjust: 100%;
  /* 2 */
  -webkit-text-size-adjust: 100%;
  /* 2 */ }

*,
*::before,
*::after {
  box-sizing: inherit; }

/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers (opinionated).
 */
body {
  margin: 0;
  line-height: 1.5; }

/**
 * Add the correct display in IE 9-.
 */
article,
aside,
footer,
header,
nav,
section {
  display: block; }

/**
 * Remove margin padding.
 *
 */
h1,
h2,
h3,
h4,
h5,
h6,
p,
pre,
blockquote,
dl,
table,
address {
  margin-top: 0;
  margin-bottom: 1.5rem; }

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  font-size: 2em; }

/**
 * Adjust heading line-height
 *
 */
h1,
h2,
h3,
h4 {
  line-height: 1.2; }

/* Grouping content
   ========================================================================== */
/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in IE.
 */
figcaption,
figure,
main {
  /* 1 */
  display: block; }

/**
 * Reset the margins.
 */
figure {
  margin: 1rem 0 1.5rem; }

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */
  box-sizing: content-box;
  /* 1 */ }

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 * 3. Add scrollbars to wide code blocks.
 */
pre {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */
  overflow-x: auto;
  /* 3 */ }

/* Text-level semantics
   ========================================================================== */
/**
 * 1. Remove the gray background on active links in IE 10.
 * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
 */
a {
  background-color: transparent;
  /* 1 */
  -webkit-text-decoration-skip: objects;
  /* 2 */ }

/**
 * Remove the outline on focused links when they are also active or hovered
 * in all browsers (opinionated).
 */
a:active,
a:hover {
  outline-width: 0; }

/**
 * 1. Remove the bottom border in Firefox 39-.
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  border-bottom: none;
  /* 1 */
  text-decoration: underline;
  /* 2 */
  text-decoration: underline dotted;
  /* 2 */ }

/**
 * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
 */
b,
strong {
  font-weight: inherit;
  font-weight: bolder;
  /* Add the correct font weight in Chrome, Edge, and Safari. */ }

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */ }

/**
 * Add the correct font style in Android 4.3-.
 */
dfn {
  font-style: italic; }

/**
 * Add the correct background and color in IE 9-.
 */
mark {
  background-color: #ff0;
  color: #000; }

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%; }

/**
 * Change the margin and padding and add a line rule on the left-side in all
 * browsers (opinionated).
 */
blockquote {
  margin-right: 0;
  margin-left: 0;
  padding: 2em 3em;
  border-left: solid 0.5em; }
  blockquote *:last-child {
    margin-bottom: 0; }

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline; }

sub {
  bottom: -0.25em; }

sup {
  top: -0.5em; }

/**
 * Remove margin
 */
ul,
ol {
  margin-top: 0; }

/* Embedded content
   ========================================================================== */
/**
 * Add the correct display in IE 9-.
 */
audio,
video {
  display: inline-block; }

/**
 * Add the correct display in iOS 4-7.
 */
audio:not([controls]) {
  display: none;
  height: 0; }

img {
  /* Responsive images (ensure images don't scale beyond their parents) */
  max-width: 100%;
  /* part 1: Set a maximum relative to the parent*/
  width: auto\9;
  /* IE7-8 need help adjusting responsive images*/
  height: auto;
  /* part 2: Scale the height according to the width, otherwise you get stretching*/
  border-style: none;
  /* Remove the border on images inside links in IE 10-.*/
  vertical-align: middle;
  -ms-interpolation-mode: bicubic; }

/**
 * Hide the overflow in IE.
 */
svg:not(:root) {
  overflow: hidden; }

/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers (opinionated).
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
  margin: 0;
  /* 2 */
  font-family: "Source Sans Pro", sans-serif;
  /* 1 */
  font-size: 100%;
  /* 1 */
  line-height: 1.15;
  /* 1 */ }

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input {
  /* 1 */
  overflow: visible; }

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select {
  /* 1 */
  text-transform: none; }

/**
 * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
 *    controls in Android 4.
 * 2. Correct the inability to style clickable types in iOS and Safari.
 */
button,
html [type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  /* 2 */ }

/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  padding: 0;
  border-style: none; }

/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText; }

/**
 * Change the border, margin, and padding in all browsers (opinionated).
 */
fieldset {
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
  border: 1px solid #c0c0c0; }

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  display: table;
  /* 1 */
  max-width: 100%;
  /* 1 */
  padding: 0;
  /* 3 */
  color: inherit;
  /* 2 */
  white-space: normal;
  /* 1 */
  box-sizing: border-box;
  /* 1 */ }

/**
 * 1. Add the correct display in IE 9-.
 * 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  display: inline-block;
  /* 1 */
  vertical-align: baseline;
  /* 2 */ }

/**
 * Remove the default vertical scrollbar in IE.
 */
textarea {
  overflow: auto; }

/**
 * 1. Add the correct box sizing in IE 10-.
 * 2. Remove the padding in IE 10-.
 */
[type="checkbox"],
[type="radio"] {
  padding: 0;
  /* 2 */
  box-sizing: border-box;
  /* 1 */ }

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto; }

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type="search"] {
  outline-offset: -2px;
  /* 2 */
  -webkit-appearance: textfield;
  /* 1 */ }

/**
 * Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
 */
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none; }

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
  font: inherit;
  /* 2 */
  -webkit-appearance: button;
  /* 1 */ }

/* Interactive
   ========================================================================== */
/*
 * Add the correct display in IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 */
details,
menu {
  display: block; }

/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item; }

/* Scripting
   ========================================================================== */
/**
 * Add the correct display in IE 9-.
 */
canvas {
  display: inline-block; }

/**
 * Add the correct display in IE.
 */
template {
  display: none; }

/* Hidden
   ========================================================================== */
/**
 * Add the correct display in IE 10-.
 */
[hidden] {
  display: none; }

/* ==========================================================================
   Base elements
   ========================================================================== */
html {
  font-size: 14px; }
  @media screen and (min-width: 320px) {
    html {
      font-size: calc(14px + 4 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    html {
      font-size: 18px; } }

body {
  border-top: solid 0.25em; }

blockquote footer,
q footer {
  font-size: 80%;
  font-style: normal; }
  blockquote footer::before,
  q footer::before {
    padding-right: 0.25rem;
    content: "\2014"; }

code,
kbd,
samp,
pre {
  font-family: Menlo, Consolas, Monaco, "Courier New", Courier, monospace; }

kbd {
  display: inline-block;
  margin: 0 0.125em;
  padding: 0.125em 0.5em;
  color: #000;
  border: 1px solid #cccccc;
  border-radius: 3px;
  background-color: #f7f7f7;
  font-size: 85%;
  text-shadow: 0 1px 0 #fff;
  -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25), inset 0 0 0 2px #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25), inset 0 0 0 2px #fff; }

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Source Sans Pro", sans-serif;
  text-rendering: optimizeLegibility;
  /* enable common ligatures and kerning */ }

h1 {
  font-size: 20.7385152499px; }
  @media screen and (min-width: 320px) {
    h1 {
      font-size: calc(20.7385152499px + 12.4390847501 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    h1 {
      font-size: 33.1776px; } }

h2 {
  font-size: 19.436284208px; }
  @media screen and (min-width: 320px) {
    h2 {
      font-size: calc(19.436284208px + 8.211715792 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    h2 {
      font-size: 27.648px; } }

h3 {
  font-size: 18.215824px; }
  @media screen and (min-width: 320px) {
    h3 {
      font-size: calc(18.215824px + 4.824176 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    h3 {
      font-size: 23.04px; } }

h4 {
  font-size: 17.072px; }
  @media screen and (min-width: 320px) {
    h4 {
      font-size: calc(17.072px + 2.128 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    h4 {
      font-size: 19.2px; } }

h5 {
  font-size: 16px; }
  @media screen and (min-width: 320px) {
    h5 {
      font-size: calc(16px + 0 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    h5 {
      font-size: 16px; } }

h6 {
  font-size: 14.9953139644px; }
  @media screen and (min-width: 320px) {
    h6 {
      font-size: calc(14.9953139644px + -1.6619806311 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    h6 {
      font-size: 13.3333333333px; } }

dt {
  font-weight: bold; }
  dt:not(:first-child) {
    margin-top: 1rem; }

dd {
  margin: 0; }

pre {
  font-size: 12px; }
  @media screen and (min-width: 320px) {
    pre {
      font-size: calc(12px + 2 * ((100vw - 320px) / 960)); } }
  @media screen and (min-width: 1280px) {
    pre {
      font-size: 14px; } }

figcaption {
  margin: 0.5rem 0;
  font-size: 80%; }

a {
  -webkit-transition: all 0.4s ease;
  transition: all 0.4s ease; }

/* ==========================================================================
   Tables
   ========================================================================== */
table {
  width: 100%;
  border-collapse: collapse;
  /* For Firefox to horizontally scroll wider tables */
  word-break: normal;
  word-break: keep-all; }
  table {
    font-size: 12px; }
    @media screen and (min-width: 320px) {
      table {
        font-size: calc(12px + 6 * ((100vw - 320px) / 960)); } }
    @media screen and (min-width: 1280px) {
      table {
        font-size: 18px; } }

th,
td {
  border-bottom: 1px solid; }

th {
  padding: 0.5em;
  font-weight: bold;
  text-align: left; }

td {
  padding: 0.5em; }

tr,
td,
th {
  vertical-align: middle; }

/* Components */
/* ==========================================================================
   Site-wide
   ========================================================================== */
.skip-links ul {
  margin: 0;
  padding: 0;
  list-style: none; }

#menu-toggle {
  display: block;
  margin: 0;
  padding: 0.25em 0.75em 0.5em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center; }
  @media (min-width: 48em) {
    #menu-toggle {
      display: none; } }

.site-nav {
  display: none;
  margin-bottom: 1em;
  text-align: center; }
  .site-nav ul {
    display: block;
    margin: 0;
    padding: 0.25em 0.75em;
    list-style: none;
    border-radius: 0 0 0.5rem 0.5rem; }
    @media (min-width: 48em) {
      .site-nav ul {
        display: inline-block; } }
  .site-nav li {
    display: inline-block;
    font-size: 0.75em; }
  .site-nav a {
    display: block;
    padding: 0.5em 0.75em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid;
    border-radius: 0.25rem; }
  @media (min-width: 48em) {
    .site-nav {
      display: block; } }
  .site-nav.js-menu-is-open {
    display: block;
    -webkit-animation-name: initial;
    animation-name: initial; }

.masthead {
  clear: both;
  margin-bottom: 3em;
  text-align: center; }
  .masthead::after {
    clear: both;
    content: "";
    display: table; }

.site-title {
  margin: 0.5em 0 0;
  padding: 0;
  font-weight: 700; }
  .site-title {
    font-size: 19.436284208px; }
    @media screen and (min-width: 320px) {
      .site-title {
        font-size: calc(19.436284208px + 8.211715792 * ((100vw - 320px) / 960)); } }
    @media screen and (min-width: 1280px) {
      .site-title {
        font-size: 27.648px; } }
  .site-title a {
    text-decoration: none; }

.site-description {
  margin-bottom: 1em;
  font-family: "Lora", serif;
  font-weight: 400;
  font-style: italic; }
  .site-description {
    font-size: 16px; }
    @media screen and (min-width: 320px) {
      .site-description {
        font-size: calc(16px + 0 * ((100vw - 320px) / 960)); } }
    @media screen and (min-width: 1280px) {
      .site-description {
        font-size: 16px; } }

.site-logo {
  display: inline-block;
  position: relative;
  z-index: 10; }

.site-logo-img {
  width: 75px;
  height: 75px;
  border: 5px solid;
  border-radius: 75px; }
  @media (min-width: 48em) {
    .site-logo-img {
      width: 112.5px;
      height: 112.5px;
      border-radius: 112.5px; } }
  @media (min-width: 64em) {
    .site-logo-img {
      width: 150px;
      height: 150px;
      border-radius: 150px; } }

.site-footer {
  clear: both;
  margin: 2em 0;
  padding: 2em 0;
  text-align: center;
  border-top: 1px solid; }
  .site-footer::after {
    clear: both;
    content: "";
    display: table; }
  .site-footer .social-icons {
    margin-bottom: 0.5em; }
  .site-footer .social-icon {
    display: inline-block;
    padding: 0 0.25em; }

.copyright {
  font-size: 0.75em; }
  .copyright p {
    margin: 0;
    padding: 0; }

.footnotes {
  margin: 2rem 0;
  padding-top: 1rem;
  border-top: 1px solid;
  font-size: 80%; }

.more-link {
  font-weight: bold;
  text-decoration: none; }

.back-to-top {
  display: block;
  font-size: 0.75em;
  text-transform: uppercase;
  text-align: right;
  text-decoration: none; }

.taxonomy-section {
  margin-bottom: 2em;
  padding-bottom: 1em; }
  .taxonomy-section:not(:last-child) {
    border-bottom: solid 1px; }
  .taxonomy-section + .taxonomy-section {
    margin-top: 2em; }

.taxonomy-title {
  margin-bottom: 0.5em;
  font-family: "Source Sans Pro", sans-serif; }
  .taxonomy-title {
    font-size: 28px; }
    @media screen and (min-width: 320px) {
      .taxonomy-title {
        font-size: calc(28px + 4 * ((100vw - 320px) / 960)); } }
    @media screen and (min-width: 1280px) {
      .taxonomy-title {
        font-size: 32px; } }

.taxonomy-index {
  display: grid;
  grid-column-gap: 2em;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  padding: 0;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.9em;
  list-style: none; }
  @media (min-width: 64em) {
    .taxonomy-index {
      grid-template-columns: repeat(3, 1fr); } }
  .taxonomy-index a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    padding: 0.25em 0;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid; }
  .taxonomy-index + .taxonomy-section {
    margin-top: 3em; }

.pagination {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  grid-column: 1 / -1;
  margin: 2em 0;
  width: 100%; }
  .pagination ul {
    margin: 0 auto;
    padding: 0;
    list-style-type: none; }
  .pagination li {
    display: block;
    float: left;
    margin-left: -1px; }
    .pagination li a {
      display: block;
      margin-bottom: 0.25em;
      padding: 0.5em 1em;
      font-size: 14px;
      font-weight: bold;
      line-height: 1.5;
      text-align: center;
      text-decoration: none;
      border: 1px solid;
      border-radius: 0; }
      .pagination li a.disabled {
        pointer-events: none;
        cursor: not-allowed; }
    .pagination li:first-child {
      margin-left: 0; }
      .pagination li:first-child a {
        border-top-left-radius: 0.25rem;
        border-bottom-left-radius: 0.25rem; }
    .pagination li:last-child a {
      border-top-right-radius: 0.25rem;
      border-bottom-right-radius: 0.25rem; }

.search-input {
  margin-bottom: 2em;
  padding: 0.5em;
  width: 100%;
  font-size: 0.9em;
  border: 2px solid;
  border-radius: 0.25rem; }

.toc-wrapper {
  display: inline-block;
  margin-bottom: 1.5em;
  border: 1px solid;
  border-radius: 0.25rem; }
  .toc-wrapper h2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin: 0;
    padding: 0.75rem 1rem;
    font-family: "Source Sans Pro", sans-serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    cursor: pointer; }
    .toc-wrapper h2 .toc-toggle-icon {
      margin-left: 1rem;
      -webkit-transition: -webkit-transform 350ms ease;
      transition: -webkit-transform 350ms ease;
      transition: transform 350ms ease;
      transition: transform 350ms ease, -webkit-transform 350ms ease; }
    .toc-wrapper h2.js-toc-is-open .toc-toggle-icon {
      -webkit-transform: rotate(180deg);
      -ms-transform: rotate(180deg);
      transform: rotate(180deg); }
  .toc-wrapper #markdown-toc {
    display: none;
    height: 0;
    margin-bottom: 0;
    padding-left: 2rem;
    overflow: hidden;
    font-size: 0.9rem;
    -webkit-transition: height 350ms ease;
    transition: height 350ms ease; }
    .toc-wrapper #markdown-toc.js-toc-is-open {
      display: block;
      height: auto; }
  .toc-wrapper li {
    padding: 0.3em 0;
    font-family: "Source Sans Pro", sans-serif; }
    .toc-wrapper li a {
      display: inline-block;
      color: inherit;
      font-size: 0.75rem;
      font-weight: 600;
      text-decoration: none;
      border-bottom: 1px dotted transparent; }
    .toc-wrapper li ol {
      padding-left: 0.5rem;
      list-style-type: lower-roman; }

/* ==========================================================================
   Page
   ========================================================================== */
.page-wrapper {
  margin: 0 auto;
  padding-left: 1em;
  padding-right: 1em;
  max-width: 1024px; }

.page-title {
  margin-bottom: 0.5em;
  font-family: "Lora", serif;
  font-weight: bold;
  font-style: italic;
  letter-spacing: -2px; }
  .page-title {
    font-size: 48px; }
    @media screen and (min-width: 320px) {
      .page-title {
        font-size: calc(48px + 12 * ((100vw - 320px) / 960)); } }
    @media screen and (min-width: 1280px) {
      .page-title {
        font-size: 60px; } }

.page-image {
  position: relative;
  text-align: center;
  margin-top: -37.5px;
  margin-bottom: 2em;
  z-index: 1; }
  @media (min-width: 48em) {
    .page-image {
      margin-top: -56.25px; } }
  @media (min-width: 64em) {
    .page-image {
      margin-top: -75px; } }
  .page-image img {
    width: 100%; }

.page-image-caption {
  position: absolute;
  bottom: 0;
  right: 0;
  margin: 0 auto;
  padding: 0.25em 0.5em;
  color: #fff;
  font-size: 0.75em;
  background: #000;
  text-align: right;
  z-index: 5;
  opacity: 0.5;
  border-radius: 4px 0 0 0; }
  .page-image-caption > * {
    margin: 0;
    padding: 0; }
  .page-image-caption a {
    color: #fff; }

.page-sidebar {
  font-size: 0.75em; }
  @media (min-width: 64em) {
    .page-sidebar {
      text-align: center; } }
  .page-sidebar .page-date,
  .page-sidebar .read-time {
    font-family: "Lora", serif;
    font-style: italic;
    white-space: nowrap; }
  @media (min-width: 64em) {
    .page-sidebar .read-time {
      display: block; } }
  .page-sidebar .read-time + .page-date::before {
    content: "\2022";
    padding: 0 0.5em; }
    @media (min-width: 64em) {
      .page-sidebar .read-time + .page-date::before {
        content: "";
        padding: 0; } }

.page-author {
  clear: both;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  margin-bottom: 1em; }
  .page-author::after {
    clear: both;
    content: "";
    display: table; }
  @media (min-width: 64em) {
    .page-author {
      display: block; } }

.page-taxonomies-title {
  display: inline;
  padding-right: 0.5em;
  font-size: 1em;
  font-weight: normal;
  text-transform: uppercase; }
  @media (min-width: 64em) {
    .page-taxonomies-title {
      display: inline-block;
      margin: 1.5em 0 0.5em;
      padding: 0;
      font-size: 0.75em;
      font-weight: normal;
      text-transform: uppercase; } }

.page-taxonomies {
  display: inline;
  margin-right: 1em;
  padding: 0;
  list-style: none; }
  @media (min-width: 64em) {
    .page-taxonomies {
      display: block;
      margin: 0 0 1.5em 0; } }

.page-taxonomy {
  display: inline; }
  .page-taxonomy:not(:last-child)::after {
    content: ", "; }

.page-share {
  margin-top: 2em;
  margin-bottom: 2em; }

.page-comments {
  margin-bottom: 2em; }

.page-pagination {
  margin: 2em 0 1em;
  clear: both; }
  @media (min-width: 64em) {
    .page-pagination {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex; } }

.page-previous,
.page-next {
  display: block;
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  text-decoration: none; }

.page-next {
  margin-top: 1em; }
  @media (min-width: 64em) {
    .page-next {
      margin-top: 0;
      text-align: right; } }

.page-pagination-label {
  margin: 0;
  padding: 0;
  font-size: 1em; }

.page-pagination-title {
  margin: 0;
  padding: 0;
  font-family: "Lora", serif;
  font-size: 0.9em;
  font-style: italic; }

/*
   Wide Layout Overrides
   ========================================================================== */
.layout--home .page-wrapper,
.layout--posts .page-wrapper,
.layout--categories .page-wrapper,
.layout--tags .page-wrapper,
.layout--category .page-wrapper,
.layout--tag .page-wrapper,
.layout--collection .page-wrapper,
.layout--search .page-wrapper {
  max-width: 768px; }
.layout--home .page-title,
.layout--posts .page-title,
.layout--categories .page-title,
.layout--tags .page-title,
.layout--category .page-title,
.layout--tag .page-title,
.layout--collection .page-title,
.layout--search .page-title {
  text-align: center; }

@media (min-width: 64em) {
  .layout--post .page-wrapper {
    display: grid;
    grid-column-gap: 3em;
    grid-row-gap: 0;
    grid-template-columns: 175px 1fr;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between; } }
@media (min-width: 64em) {
  .layout--post .page-header {
    grid-column: 1 / -1;
    clear: both; } }
.layout--post .page-sidebar {
  margin-bottom: 1em; }
  @media (min-width: 64em) {
    .layout--post .page-sidebar {
      float: left;
      width: 18%; } }
  @supports (display: grid) {
    .layout--post .page-sidebar {
      width: auto; } }
  .layout--post .page-sidebar a {
    color: inherit;
    text-decoration: none; }
    .layout--post .page-sidebar a:hover {
      text-decoration: underline; }
@media (min-width: 64em) {
  .layout--post .page-content {
    float: right;
    width: 78%;
    min-width: 0; } }
@supports (display: grid) {
  .layout--post .page-content {
    width: auto;
    margin: 0; } }
.layout--post .page-share {
  clear: both; }

.page--wide .page-wrapper {
  max-width: 1024px; }

/* ==========================================================================
   Author
   ========================================================================== */
.author-avatar {
  display: none; }
  @media (min-width: 64em) {
    .author-avatar {
      display: inline;
      margin-bottom: 1em;
      width: 100px;
      height: 100px;
      border-radius: 100px; } }

@media (min-width: 64em) {
  .author-name {
    margin-bottom: 0.5em; } }

.author-links {
  display: none;
  margin: 0 0 1.5em;
  padding: 0;
  list-style: none; }
  @media (min-width: 64em) {
    .author-links {
      display: block; } }

.author-link {
  display: inline;
  padding-right: 0.5em; }
  @media (min-width: 64em) {
    .author-link {
      padding: 0.25em; } }
  .author-link a {
    text-decoration: none; }

/* ==========================================================================
   Entries (Posts, collection documents, etc.)
   ========================================================================== */
.entry {
  clear: both;
  position: relative; }
  .entry::after {
    clear: both;
    content: "";
    display: table; }
  .entry a {
    color: inherit; }

.entry-header {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column; }

.entry-title {
  margin-bottom: 0.5rem;
  font-family: "Lora", serif;
  font-weight: bold;
  font-style: italic;
  letter-spacing: -1px;
  word-wrap: break-word;
  /* break long words that could overflow */ }
  .entry-title a {
    text-decoration: none; }
  .entry-title a[rel="bookmark"]::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0; }

.entry-image {
  -webkit-box-ordinal-group: 0;
  -ms-flex-order: -1;
  order: -1;
  width: 100%;
  margin-bottom: 0.5rem; }

.entry-meta .entry-date,
.entry-meta .read-time {
  font-family: "Lora", serif;
  font-style: italic;
  white-space: nowrap; }
.entry-meta .read-time + .entry-date::before {
  content: "\2022";
  padding: 0 0.5em; }

.entry-excerpt a,
.u-bookmark-of {
  position: relative;
  z-index: 10; }

/*
   Entries List Layout
   ========================================================================== */
.entries-list .entry {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  margin-bottom: 2rem; }
.entries-list .entry-title {
  -webkit-box-ordinal-group: 2;
  -ms-flex-order: 1;
  order: 1; }
  .entries-list .entry-title {
    font-size: 24px; }
    @media screen and (min-width: 320px) {
      .entries-list .entry-title {
        font-size: calc(24px + 12 * ((100vw - 320px) / 960)); } }
    @media screen and (min-width: 1280px) {
      .entries-list .entry-title {
        font-size: 36px; } }
.entries-list .entry-excerpt,
.entries-list .entry-content {
  -webkit-box-ordinal-group: 4;
  -ms-flex-order: 3;
  order: 3;
  /* remove space after last child element */ }
  .entries-list .entry-excerpt > *:last-child,
  .entries-list .entry-content > *:last-child {
    margin-bottom: 0; }
.entries-list .entry-excerpt {
  /* normalize font sizes */ }
  .entries-list .entry-excerpt > * {
    font-size: 1em; }
.entries-list .entry-meta {
  -webkit-box-ordinal-group: 3;
  -ms-flex-order: 2;
  order: 2;
  margin-bottom: 1em;
  font-size: 0.75em; }
.entries-list .more-link {
  margin-top: -1em; }
  .entries-list .more-link a {
    text-decoration: none; }

/*
   Entries Grid Layout
   ========================================================================== */
.entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: 2em; }
  .entries-grid .entry {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    padding-bottom: 2rem; }
  .entries-grid .entry-title {
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1; }
    .entries-grid .entry-title {
      font-size: 18px; }
      @media screen and (min-width: 320px) {
        .entries-grid .entry-title {
          font-size: calc(18px + 6 * ((100vw - 320px) / 960)); } }
      @media screen and (min-width: 1280px) {
        .entries-grid .entry-title {
          font-size: 24px; } }
  .entries-grid .entry-excerpt,
  .entries-grid .entry-content {
    -webkit-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
    /* remove space after last child element */ }
    .entries-grid .entry-excerpt > *:last-child,
    .entries-grid .entry-content > *:last-child {
      margin-bottom: 0; }
  .entries-grid .entry-excerpt {
    /* normalize font sizes */ }
    .entries-grid .entry-excerpt > * {
      font-size: 1em; }
  .entries-grid .entry-meta {
    -webkit-box-ordinal-group: 3;
    -ms-flex-order: 2;
    order: 2;
    margin-bottom: 1em;
    font-size: 0.75em; }
  .entries-grid .more-link {
    margin-top: -1em; }
    .entries-grid .more-link a {
      text-decoration: none; }

/* ==========================================================================
   BUTTONS
   ========================================================================== */
/*
   Default button
   ========================================================================== */
.btn {
  /* default */
  display: inline-block;
  margin-bottom: 0.25em;
  padding: 0.5em 1em;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 1em;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  border-width: 0;
  border-radius: 0.25rem;
  cursor: pointer;
  /* fills width of parent container */
  /* disabled */
  /* extra large button */
  /* large button */
  /* small button */ }
  .btn .icon {
    margin-right: 0.5em; }
  .btn .icon + .hidden {
    margin-left: -0.5em;
    /* override for hidden text*/ }
  .btn--block {
    display: block;
    width: 100%; }
    .btn--block + .btn--block {
      margin-top: 0.25em; }
  .btn--disabled {
    pointer-events: none;
    cursor: not-allowed;
    filter: alpha(opacity=65);
    box-shadow: none;
    opacity: 0.65; }
  .btn--x-large {
    font-size: 2em; }
  .btn--large {
    font-size: 1.5em; }
  .btn--small {
    font-size: 0.75em; }

/* ==========================================================================
   Icons
   ========================================================================== */
.icon {
  display: inline-block;
  position: relative;
  top: -0.05em;
  /* fine-tune alignment */
  width: 1em;
  height: 1em;
  line-height: 1;
  vertical-align: middle;
  fill: currentColor; }
  .icon--bitbucket {
    fill: #205081; }
  .icon--codepen {
    fill: #000; }
  .icon--dribbble {
    fill: #ea4c89; }
  .icon--email {
    fill: #000; }
  .icon--facebook {
    fill: #3b5998; }
  .icon--flickr {
    fill: #0063dc; }
  .icon--github {
    fill: #181717; }
  .icon--gitlab {
    fill: #e24329; }
  .icon--googleplus {
    fill: #dc4e41; }
  .icon--instagram {
    fill: #e4405f; }
  .icon--lastfm {
    fill: #d51007; }
  .icon--linkedin {
    fill: #0077b5; }
  .icon--pinterest {
    fill: #bd081c; }
  .icon--rss {
    fill: #ffa500; }
  .icon--soundcloud {
    fill: #f30; }
  .icon--stackoverflow {
    fill: #fe7a16; }
  .icon--tumblr {
    fill: #36465d; }
  .icon--twitter {
    fill: #1da1f2; }
  .icon--xing {
    fill: #005a5f; }
  .icon--youtube {
    fill: #cd201f; }

/* ==========================================================================
   NOTICE TEXT BLOCKS
   ========================================================================== */
/**
 *  Default Kramdown usage (no indents!):
 *  <div class="notice" markdown="1">
 *  #### Headline for the Notice
 *  Text for the notice
 *  </div>
 */
/* ==========================================================================
   Syntax highlighting
   ========================================================================== */
/* Inline code block */
code.highlighter-rouge {
  margin: 0;
  padding: 0.2em 0.4em;
  font-size: 85%;
  border-radius: 3px; }

/* Multi-line code blocks */
div.highlighter-rouge,
figure.highlight {
  position: relative;
  margin-bottom: 1em;
  font-family: Menlo, Consolas, Monaco, "Courier New", Courier, monospace;
  line-height: 1.8; }
  div.highlighter-rouge > pre,
  div.highlighter-rouge pre.highlight,
  figure.highlight > pre,
  figure.highlight pre.highlight {
    margin: 0;
    padding: 1em; }

.highlight table {
  margin-bottom: 0;
  font-size: 1em;
  border: 0; }
  .highlight table td {
    padding: 0;
    width: calc(100% - 1em);
    border: 0;
    /* line numbers*/
    /* code */ }
    .highlight table td.gutter {
      padding-right: 1em;
      width: 1em;
      border-right: 1px solid;
      text-align: right; }
    .highlight table td.code {
      padding-left: 1em; }
  .highlight table pre {
    margin: 0; }

.highlight pre {
  width: 100%; }

.gist td,
.gist th {
  border-bottom: 0; }

/* Utility Clases */
/* ==========================================================================
   Accessibility Modules
   ========================================================================== */
/* Text meant only for screen readers */
.screen-reader-text,
.screen-reader-text span,
.screen-reader-shortcut {
  position: absolute !important;
  width: 1px;
  height: 1px;
  clip: rect(0, 0, 0, 0);
  border: 0;
  overflow: hidden; }
  .screen-reader-text:focus,
  .screen-reader-text span:focus,
  .screen-reader-shortcut:focus {
    display: block;
    top: 5px;
    left: 5px;
    width: auto;
    height: auto;
    padding: 0.75em 1em;
    clip: auto !important;
    border-radius: 0.125em;
    color: #fff;
    font-weight: bold;
    line-height: normal;
    text-decoration: none;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    z-index: 100000; }

.screen-reader-text:focus,
.screen-reader-shortcut:focus {
  width: auto;
  height: auto;
  clip: auto !important;
  text-decoration: none;
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  z-index: 100000; }

/* ==========================================================================
   Animations
   ========================================================================== */
/* add .animated class to elements you wish to animate
 * along with the type of animation (eg: <div class="animated fadeIn"></div>)
 */
.animated {
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-duration: 1s;
  animation-duration: 1s; }

/*
   Fade-in animation .fadeIn
   ========================================================================== */
@-webkit-keyframes fadeIn {
  0% {
    opacity: 0; }
  100% {
    opacity: 1; } }
@keyframes fadeIn {
  0% {
    opacity: 0; }
  100% {
    opacity: 1; } }
.fadeIn {
  -webkit-animation-name: fadeIn;
  animation-name: fadeIn; }

/*
   Fade-in down animation .fadeInDown
   ========================================================================== */
@-webkit-keyframes fadeInDown {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-20px); }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0); } }
@keyframes fadeInDown {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-20px);
    transform: translateY(-20px); }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0); } }
.fadeInDown {
  -webkit-animation-name: fadeInDown;
  animation-name: fadeInDown; }

/*
   Drop animation .drop
   ========================================================================== */
@-webkit-keyframes drop {
  0% {
    -webkit-transform: translateY(-500px); }
  100% {
    -webkit-transform: translateY(0); } }
@keyframes drop {
  0% {
    -webkit-transform: translateY(-500px);
    transform: translateY(-500px); }
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0); } }
.drop {
  -webkit-animation-name: drop;
  animation-name: drop; }

/* ==========================================================================
   Alignment
   ========================================================================== */
.align-baseline {
  vertical-align: baseline !important; }

/* Browser default */
.align-top {
  vertical-align: top !important; }

.align-middle {
  vertical-align: middle !important; }

.align-bottom {
  vertical-align: bottom !important; }

.align-text-bottom {
  vertical-align: text-bottom !important; }

.align-text-top {
  vertical-align: text-top !important; }

/*
   Image Alignment
   ========================================================================== */
.align-center,
div.align-center,
a img.align-center {
  display: block;
  margin-right: auto;
  margin-left: auto; }

figure.align-center img {
  display: block;
  margin-right: auto;
  margin-left: auto; }
figure.align-center figcaption {
  text-align: center; }

.align-right,
a img.align-right {
  margin-bottom: 1rem;
  margin-left: 1rem;
  float: right; }

.align-left,
a img.align-left {
  margin-right: 1rem;
  margin-bottom: 1rem;
  float: left; }

/* ==========================================================================
   Clearfix
   ========================================================================== */
.clearfix {
  clear: both; }
  .clearfix::after {
    clear: both;
    content: "";
    display: table; }

/* ==========================================================================
   Floats
   ========================================================================== */
.float-left {
  float: left !important; }

.float-right {
  float: right !important; }

.float-none {
  float: none !important; }

/* ==========================================================================
   Text
   ========================================================================== */
/*
   Alignment
   ========================================================================== */
.text-justify {
  text-align: justify !important; }

.text-nowrap {
  white-space: nowrap !important; }

.text-left {
  text-align: left !important; }

.text-right {
  text-align: right !important; }

.text-center {
  text-align: center !important; }

/*
   Transformation
   ========================================================================== */
.text-lowercase {
  text-transform: lowercase !important; }

.text-uppercase {
  text-transform: uppercase !important; }

.text-capitalize {
  text-transform: capitalize !important; }

.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap; }

/*
   Sizing
   ========================================================================== */
.small {
  font-size: 80%; }

/* ==========================================================================
   Responsive Embed
   Credit: Nicolas Gallagher and SUIT CSS.

   <!-- 16:9 aspect ratio -->
   <div class="responsive-embed responsive-embed-16by9">
     <iframe class="responsive-embed-item" src="..."></iframe>
   </div>

   <!-- 4:3 aspect ratio -->
   <div class="responsive-embed responsive-embed-4by3">
     <iframe class="responsive-embed-item" src="..."></iframe>
   </div>
   ========================================================================== */
.responsive-embed {
  display: block;
  position: relative;
  width: 100%;
  margin-bottom: 1.5rem;
  padding: 0;
  overflow: hidden; }
  .responsive-embed::before {
    display: block;
    content: ""; }
  .responsive-embed .responsive-embed-item,
  .responsive-embed iframe,
  .responsive-embed embed,
  .responsive-embed object,
  .responsive-embed video {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0; }

.responsive-embed-21by9::before {
  padding-top: 42.8571428571%; }

.responsive-embed-16by9::before {
  padding-top: 56.25%; }

.responsive-embed-4by3::before {
  padding-top: 75%; }

.responsive-embed-1by1::before {
  padding-top: 100%; }