WordPress/wp-admin/css/about.css

/*------------------------------------------------------------------------------
  22.0 - About Pages
------------------------------------------------------------------------------*/

.about-wrap {
	position: relative;
	margin: 25px 40px 0 20px;
	max-width: 1050px; /* readability */

	font-size: 15px;
}

.about-wrap div.updated,
.about-wrap div.error {
	display: none !important;
}

.about-wrap hr {
	border: 0;
	height: 0;
	margin: 0;
	border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.about-wrap img {
	margin: 0;
	max-width: 100%;
	height: auto;
	vertical-align: middle;
}

/* Typography */

.about-wrap p {
	line-height: 1.6em;
	font-size: 14px;
}

.about-wrap h1 {
	margin: 0.2em 200px 0 0;
	color: #333;
	line-height: 1.2em;
	font-size: 2.8em;
	font-weight: 400;
}

.about-wrap h4 {
	color: #222;
}

.about-wrap .about-text,
.about-wrap p.about-description,
.about-wrap li.wp-person a.web {
	font-weight: normal;
	line-height: 1.6em;
	font-size: 19px;
}

.about-description {
	margin-top: 1.4em;
}

.about-text {
	margin: 1em 200px 1em 0;
	min-height: 60px;
	color: #777;
	font-size: 24px;
}

.about-wrap .changelog h2.about-headline-callout {
	margin: 1.1em 0 0.2em;
	font-size: 2.4em;
	font-weight: 300;
	line-height: 1.3;
	text-align: center;
}

.about-wrap h3 {
	margin: 1em 0 .6em;
	font-size: 1.5em;
	line-height: 1.5em;
}

.about-wrap h3.higher {
	margin-top: .5em;
}

.customize h3 {
	margin-top: 1.75em;
	text-align: center;
}

.about-wrap .feature-section h4 {
	margin: 1.4em 0 0.6em 0;
	font-size: 1.2em;
}

.about-wrap .feature-section p {
	margin-top: 0.6em;
}

.about-wrap code,
.about-wrap ol li p {
	font-size: 14px;
}

.about-wrap .button.button-large {
	padding: 8px 20px 10px !important;
	height: 46px !important;
	font-size: 14px;
	line-height: 28px !important;
}

/* 3.8 Images */

.about-wrap .about-overview-img {
	margin: 0;
}

/* Point Releases */

.about-wrap .point-releases {
	margin-top: 5px;
	border-bottom: 1px solid #dfdfdf;
}

.about-wrap .changelog.point-releases h3 {
	padding-top: 35px;
}

.about-wrap .changelog.point-releases h3:first-child {
	padding-top: 7px;
}

/* WordPress Version Badge */

.wp-badge {
	background: #0074a2 url(../images/w-logo-white.png?ver=20131202) no-repeat;
	background: #0074a2, url(../images/wordpress-logo-white.svg?ver=20131110) no-repeat; /* multiple backgrounds are ignored by browsers that don't support SVGs */
	background-position: center 24px;
	-webkit-background-size: 85px 85px;
	background-size: 85px 85px;
	color: #78c8e6;
	font-size: 14px;
	text-align: center;
	font-weight: 600;
	margin: 5px 0 0;
	padding-top: 120px;
	height: 40px;
	display: inline-block;
	width: 150px;
	text-rendering: optimizeLegibility;
	-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.2);
	box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}


.about-wrap .wp-badge {
	position: absolute;
	top: 0;
	right: 0;
}

/* Tabs */

.about-wrap h2.nav-tab-wrapper {
	padding-left: 6px;
}

.about-wrap h2 .nav-tab {
	padding: 4px 15px 6px;
	margin: 0 3px -1px 0;
	font-size: 18px;
	vertical-align: top;
	border-width: 1px;
}

/* Changelog / Update screen */

.about-overview {
	margin-top: 40px;
	margin-bottom: 40px;
	text-align: center;
}

.about-overview p {
	margin: 1em auto 50px;
	max-width: 770px;
	font-size: 18px;
	line-height: 1.5;
	text-align: center;
}

.about-wrap .feature-section {
	margin-top: 40px;
	padding-bottom: 20px;
}

.about-wrap .feature-section.two-col > div {
	position: relative;
	width: 47.6%;
	margin-right: 4.799999999%;
	float: left;
}

.about-wrap .feature-section.three-col > div {
	position: relative;
	width: 29.95%;
	margin-right: 4.999999999%;
	float: left;
}

.about-wrap .feature-section.col .last-feature {
	margin-right: 0;
}

.about-wrap .under-the-hood .feature-section {
	margin-top: 0;
}

.about-wrap .changelog .feature-section {
	overflow: hidden;
}

.about-wrap .feature-section.two-col div p {
	margin-right: 3%;
}

.about-wrap .feature-section div p img {
	float: right;
	margin-left: 10px;
	max-width: 20%;
}

/* responsive videos for 4.0 */
.about-video {
	position: relative;
	width: 100%;
	height: 0;
}

.about-video-embed {
	padding-bottom: 70.4%; /* 352 / 500 */
}

.about-video-focus {
	padding-bottom: 56.2%; /* 281 / 500 */
}

.about-video .wp-video,
.about-video .mejs-container,
.about-video video {
	position: absolute;
	top: 0;
	left: 0;
	width: 100% !important;
	height: 100% !important;
}

.about-wrap .changelog li {
	list-style-type: disc;
	margin-left: 3em;
}

/* Return to Dashboard Home link */

.about-wrap .return-to-dashboard {
	margin: 30px 0 0 -5px;
	font-size: 14px;
	font-weight: bold;
}

.about-wrap .return-to-dashboard a {
	text-decoration: none;
	padding: 0 5px;
}

/* Credits */

.about-wrap h4.wp-people-group {
	margin-top: 2.6em;
	font-size: 16px;
}

.about-wrap ul.wp-people-group {
	overflow: hidden;
	padding: 0 5px;
	margin: 0 -15px 0 -5px;
}

.about-wrap ul.compact {
	margin-bottom: 0
}

.about-wrap li.wp-person {
	float: left;
	margin-right: 10px;
}

.about-wrap li.wp-person img.gravatar {
	float: left;
	margin: 0 10px 10px 0;
	padding: 2px;
	width: 60px;
	height: 60px;
}

.about-wrap ul.compact li.wp-person img.gravatar {
	width: 30px;
	height: 30px;
}

/* @todo: combine this */
.about-wrap li.wp-person {
	height: 70px;
	width: 280px;
	padding-bottom: 15px;
}

.about-wrap ul.compact li.wp-person {
	height: auto;
	width: 180px;
	padding-bottom: 0;
	margin-bottom: 0;
}

.about-wrap #wp-people-group-validators + p.wp-credits-list {
	margin-top: 0;
}

.about-wrap li.wp-person a.web {
	display: block;
	margin: 6px 0 2px;
	font-size: 16px;
	text-decoration: none;
}

.about-wrap p.wp-credits-list a {
	white-space: nowrap;
}

/* Freedoms */

.freedoms-php .about-wrap ol {
	margin: 40px 60px;
}

.freedoms-php .about-wrap ol li {
	list-style-type: decimal;
	font-weight: bold;
}

.freedoms-php .about-wrap ol p {
	font-weight: normal;
	margin: 0.6em 0;
}

/* =Media Queries
-------------------------------------------------------------- */

@media screen and ( max-width: 782px ) {
	.about-wrap .feature-section.one-col > div,
	.about-wrap .feature-section.two-col > div,
	.about-wrap .feature-section.three-col > div {
		width: 100%;
		margin: 0 0 40px;
		padding: 0 0 40px;
		float: none;
		border-bottom: 1px solid rgba(0, 0, 0, 0.1);
	}

	.about-wrap .under-the-hood .feature-section > div,
	.about-wrap .feature-section.col > div.last-feature {
		margin: 0;
		padding: 0;
		border-bottom: none;
	}

}

/* Responsive release video */
@media screen and ( max-width: 710px ) {
	.about-overview {
		position: relative;
		padding-bottom: 56.25%; /* 360 / 640 */
		width: 100%;
		height: 0;
	}

	.about-overview embed {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
	}
}

@media only screen and (max-width: 500px) {
	.about-wrap {
		margin-right: 20px;
		margin-left: 10px;
	}

	.about-wrap h1,
	.about-text {
		margin-right: 0;
	}

	.about-text {
		margin-bottom: 0.25em;
	}

	.about-wrap .wp-badge {
		position: relative;
		margin-bottom: 1.5em;
		width: 100%;
	}

	.about-wrap h2.nav-tab-wrapper {
		padding-left: 0;
		border-bottom: 0;
	}

	.about-wrap h2 .nav-tab {
		margin-top: 10px;
		margin-right: 10px;
		border-bottom: 1px solid #ccc;
	}

	.about-wrap .feature-section.three-col div {
		width: 100%;
		float: none;
	}

	.about-wrap .three-col.about-updates .col-1 {
		padding: 0;
		float: none;
	}

	.about-wrap .three-col.about-updates .col-2 {
		margin: 0 0 20px;
		width: 100%;
		float: none;
	}
}