Module:Sidebar/styles.css
/* {{pp-template}} */
 /* TODO: Invert width design to be &quot;mobile first&quot; */
 .sidebar {
 	/* TODO: Ask if we should have max-width 22em instead */
 	width: 22em;
 	/* @noflip */
 	float: right;
 	/* @noflip */
 	clear: right;
 	/* @noflip */
 	margin: 0.5em 0 1em 1em;
 	background: var(--background-color-neutral-subtle, #f8f9fa);
 	border: 1px solid var(--border-color-base, #a2a9b1);
 	padding: 0.2em;
 	text-align: center;
 	line-height: 1.4em;
 	font-size: 88%;
 	border-collapse: collapse;
 	/* Timeless has display: none on .nomobile at mobile resolutions, so we
 	 * unhide it with display: table and let precedence and proximity win.
 	 */
 	display: table; 
 }
 
 /* Unfortunately, so does Minerva desktop, except Minerva drops an
  * !important on the declaration. So we have to be mean for Minerva users.
  * Mobile removes the element entirely with `wgMFRemovableClasses` in 
  * https://github.com/wikimedia/operations-mediawiki-config/blob/master/
  wmf-config/InitialiseSettings.php#L16992
  * which is why displaying it categorically with display: table works.
  * We don't really want to expose the generic user in the wild on mobile to have
  * to deal with sidebars. (Maybe the ones with collapsible lists, so that
  * might be an improvement. That is blocked on [[:phab:T111565]].)
  */
 body.skin-minerva .sidebar {
 	display: table !important;
 	/* also, minerva is way too aggressive about other stylings on tables.
 	 * TODO remove when this template gets moved to a div. plans on talk page.
 	 * We always float right on Minerva because that's a lot of extra CSS
 	 * otherwise. */
     float: right !important;
     margin: 0.5em 0 1em 1em !important;
 }
 
 .sidebar-subgroup {
 	width: 100%;
 	margin: 0;
 	border-spacing: 0;
 }
 
 .sidebar-left {
 	/* @noflip */
 	float: left;
 	/* @noflip */
 	clear: left;
 	/* @noflip */
 	margin: 0.5em 1em 1em 0;
 }
 
 .sidebar-none {
 	float: none;
 	clear: both;
 	/* @noflip */
 	margin: 0.5em 1em 1em 0;
 }
 
 .sidebar-outer-title {
 	padding: 0 0.4em 0.2em;
 	font-size: 125%;
 	line-height: 1.2em;
 	font-weight: bold;
 }
 
 .sidebar-top-image {
 	padding: 0.4em;
 }
 
 .sidebar-top-caption,
 .sidebar-pretitle-with-top-image,
 .sidebar-caption {
 	padding: 0.2em 0.4em 0;
 	line-height: 1.2em;
 }
 
 .sidebar-pretitle {
 	padding: 0.4em 0.4em 0;
 	line-height: 1.2em;
 }
 
 .sidebar-title,
 .sidebar-title-with-pretitle {
 	padding: 0.2em 0.8em;
 	font-size: 145%;
 	line-height: 1.2em;
 }
 
 .sidebar-title-with-pretitle {
 	padding: 0.1em 0.4em;
 }
 
 .sidebar-image {
 	padding: 0.2em 0.4em 0.4em;
 }
 
 .sidebar-heading {
 	padding: 0.1em 0.4em;
 }
 
 .sidebar-content {
 	padding: 0 0.5em 0.4em;
 }
 
 .sidebar-content-with-subgroup {
 	padding: 0.1em 0.4em 0.2em;
 }
 
 .sidebar-above,
 .sidebar-below {
 	padding: 0.3em 0.8em;
 	font-weight: bold;
 }
 
 .sidebar-collapse .sidebar-above,
 .sidebar-collapse .sidebar-below {
 	border-top: 1px solid var(--border-color-base, #a2a9b1);
 	border-bottom: 1px solid var(--border-color-base, #a2a9b1);
 }
 
 .sidebar-navbar {
 	text-align: right;
 	font-size: 115%;
 	padding: 0 0.4em 0.4em;
 }
 
 .sidebar-list-title {
 	padding: 0 0.4em;
 	text-align: left;
 	font-weight: bold;
 	line-height: 1.6em;
 	font-size: 105%;
 }
 
 /* centered text with mw-collapsible headers is finicky */
 .sidebar-list-title-c {
 	padding: 0 0.4em;
 	text-align: center;
 	margin: 0 3.3em;
 }
 
 @media (max-width: 720px) {
 	/* users have wide latitude to set arbitrary width and margin :(
 	   &quot;Super-specific&quot; selector to prevent overriding this appearance by
 	   lower level sidebars too */
 	body.mediawiki .sidebar {
 		width: 100% !important;
 		clear: both;
 		float: none !important; /* Remove when we div based; Minerva is dumb */
 		margin-left: 0 !important;
 		margin-right: 0 !important;
 	}
 	/* TODO: We might consider making all links wrap at small resolutions and then
 	 * only introduce nowrap at higher resolutions. Do when we invert the media
 	 * query.
 	 */