View source for Template:Reading/Web/Desktop Improvements/Header/styles.css

.dip {
	margin: 1em 0;
	box-sizing: border-box;
	clear: both;
	background: #fff;
}
.dip-tabs {
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	text-align: center; /* noflex */
}
.dip-tab {
	flex:1 1 0;
	width: 100%;
	margin: 0;
	box-sizing: border-box;
	background-color: inherit;
	padding: .8em;
	font-weight: bold;
	border-top: 0.2em solid #f8f9fa;
}
.dip-tab.selected {
	background-color: #f8f9fa;
	border-left: 0.5em solid #36c;
}
.dip-tab img {
	/* min width for responsive sized images */
	min-width: 22px;
}
.dip-content {
	font-size: 1.1em;
	background-color: #f8f9fa;
	border-bottom: 2px solid #36c;
	padding: 1em;
}
.dip-break {
	clear:both;
}

@media (min-width:550px) {
	.dip-tabs {
		flex-direction: row;
		padding: 0;
		margin-top: 0 !important; /* cancels out the sibling styling */
	}
	.dip-tabs > .dip-tab {
		display: inline-block; /* noflex */
		vertical-align:bottom; /* noflex */
		white-space: nowrap;
		width: auto;
		margin: 0 .2em 0 0;
		border-top: .5em solid #36c;
		font-size: 1.3em;
	}
	.dip-tab.selected {
		border-left: 0;
	}
}
@media (min-width:1000px) {
	.dip-tabs > .dip-tab {
		flex: 0 1 0;
	}
}

html.skin-theme-clientpref-night .dip {
	background-color: transparent;
}

html.skin-theme-clientpref-night .dip-tabs> .dip-tab.selected {
	background-color: transparent;
	border-top-color: #AFB6E9;
}

@media (prefers-color-scheme: dark) {
  html.skin-theme-clientpref-os .dip-tabs> .dip-tab.selected {
	background-color: transparent;
	border-top-color: #AFB6E9;
  }

  html.skin-theme-clientpref-os .dip {
	background-color: transparent;
  }
}