gecko-dev/mobile/android/themes/core/aboutReaderContent.css

html {
  -moz-text-size-adjust: none;
}

body {
  font-family: "Open Sans","Droid Sans",sans-serif;
  margin: 0;
  padding-top: 20px;
  padding-bottom: 20px;
} 

.light {
  color: #222222;
}

.dark {
  color: #eeeeee;
}

.header {
  text-align: start;
  display: none;
}

.header > .domain {
  margin-top: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid; 
}

.header > h1 {
  font-family: "Open Sans","Droid Sans",sans-serif;
  font-weight: 300;
  line-height: 1.1em;
  width: 100%;
  margin: 0px;
  margin-top: 32px;
  margin-bottom: 16px;
  padding: 0px;
}

.header > .credits {
  padding: 0px;
  margin: 0px;
  margin-bottom: 32px;
}

.light > .header > .domain {
  color: #ee7600;
  border-bottom-color: #d0d0d0; 
}

.light > .header > h1 {
  color: #222222;
}

.light > .header > .credits {
  color: #898989;
}

.dark > .header > .domain {
  color: #ff9400;
  border-bottom-color: #777777; 
}

.dark > .header > h1 {
  color: #eeeeee;
}

.dark > .header > .credits {
  color: #aaaaaa;
}

.font-size1 > .header > h1 {
  font-size: 23px;
}

.font-size2 > .header > h1 {
  font-size: 25px;
}

.font-size3 > .header > h1 {
  font-size: 27px;
}

.font-size4 > .header > h1 {
  font-size: 29px;
}

.font-size5 > .header > h1 {
  font-size: 31px;
}

.font-size6 > .header > h1 {
  font-size: 33px;
}

.font-size7 > .header > h1 {
  font-size: 35px;
}

/* This covers caption, domain, and credits
   texts in the reader UI */
.font-size1 > .content .wp-caption-text,
.font-size1 > .content figcaption,
.font-size1 > .header > .domain,
.font-size1 > .header > .credits {
  font-size: 6px;
}

.font-size2 > .content .wp-caption-text,
.font-size2 > .content figcaption,
.font-size2 > .header > .domain,
.font-size2 > .header > .credits {
  font-size: 8px;
}

.font-size3 > .content .wp-caption-text,
.font-size3 > .content figcaption,
.font-size3 > .header > .domain,
.font-size3 > .header > .credits {
  font-size: 11px;
}

.font-size4 > .content .wp-caption-text,
.font-size4 > .content figcaption,
.font-size4 > .header > .domain,
.font-size4 > .header > .credits {
  font-size: 13px;
}

.font-size5 > .content .wp-caption-text,
.font-size5 > .content figcaption,
.font-size5 > .header > .domain,
.font-size5 > .header > .credits {
  font-size: 15px;
}

.font-size6 > .content .wp-caption-text,
.font-size6 > .content figcaption,
.font-size6 > .header > .domain,
.font-size6 > .header > .credits {
  font-size: 17px;
}

.font-size7 > .content .wp-caption-text,
.font-size7 > .content figcaption,
.font-size7 > .header > .domain,
.font-size7 > .header > .credits {
  font-size: 19px;
}

.content {
  display: none;
}

.content a {
  text-decoration: underline !important;
  font-weight: normal;
}

.light > .content a,
.light > .content a:visited,
.light > .content a:hover,
.light > .content a:active {
  color: #ee6700 !important;
}

.dark > .content a,
.dark > .content a:visited,
.dark > .content a:hover,
.dark > .content a:active {
  color: #ff9400 !important;
}

.content * {
  max-width: 100% !important;
  height: auto !important;
}

.content p {
  line-height: 1.4em !important;
  margin: 0px !important;
  margin-bottom: 20px !important;
}

/* Covers all images showing edge-to-edge using a 
   an optional caption text */
.content .wp-caption,
.content figure {
  display: block !important;
  width: 100% !important;
  margin: 0px !important;
  margin-bottom: 32px !important;
}

/* Images marked to be shown edge-to-edge with an
   optional captio ntext */
.content p > img:only-child,
.content p > a:only-child > img:only-child,
.content .wp-caption img,
.content figure img {
  max-width: none !important;
  height: auto !important;
  display: block !important;
  margin-top: 0px !important;
  margin-bottom: 32px !important;
}

/* If image is place inside one of these blocks
   there's no need to add margin at the bottom */
.content .wp-caption img,
.content figure img {
  margin-bottom: 0px !important;
}

/* Image caption text */
.content .caption,
.content .wp-caption-text,
.content figcaption {
  margin: 0px !important;
  padding-top: 4px !important;
}

.light > .content .caption,
.light > .content .wp-caption-text,
.light > .content figcaption {
  color: #898989;
}

.dark > .content .caption,
.dark > .content .wp-caption-text,
.dark > .content figcaption {
  color: #aaaaaa;
}

/* Ensure all pre-formatted code inside the reader content
   are properly wrapped inside content width */
.content code,
.content pre {
  white-space: pre-wrap !important;
  margin-bottom: 20px !important;
}

.content blockquote {
  margin: 0px !important;
  margin-bottom: 20px !important;
  padding: 0px !important;
  -moz-padding-start: 16px !important;
  border: 0px !important;
  border-left: 2px solid !important;
}

.light > .content blockquote {
  color: #898989 !important;
  border-left-color: #d0d0d0 !important;
}

.dark > .content blockquote {
  color: #aaaaaa !important;
  border-left-color: #777777 !important;
}

.content ul,
.content ol {
  margin: 0px !important;
  margin-bottom: 20px !important;
  padding: 0px !important;
  line-height: 1.5em;
}

.content ul {
  -moz-padding-start: 30px !important;
  list-style: disk !important;
}

.content ol {
  -moz-padding-start: 35px !important;
  list-style: decimal !important;
}

.font-size1 > .content {
  font-size: 10px !important;
}

.font-size2 > .content {
  font-size: 12px !important;
}

.font-size3 > .content {
  font-size: 14px !important;
}

.font-size4 > .content {
  font-size: 16px !important;
}

.font-size5 > .content {
  font-size: 18px !important;
}

.font-size6 > .content {
  font-size: 20px !important;
}

.font-size7 > .content {
  font-size: 22px !important;
}