MediaWiki:Common.css

/* Default style for navigation boxes */
.navbox {                     /* Navbox container style */
	box-sizing: border-box;
	border: 1px solid #a2a9b1;
	width: 100%;
	margin: auto;
	clear: both;
	font-size: 88%;
	text-align: center;
	padding: 1px;
}

.navbox + .navbox {
	margin-top: -1px;         /* Single pixel border between adjacent navboxes */
}

.navbox-inner,
.navbox-subgroup {
	width: 100%;
}

.navbox-title,
.navbox-abovebelow,
.navbox th {
	text-align: center;       /* Title, group and above/below styles */
	padding-left: 1em;
	padding-right: 1em;
}

th.navbox-group {             /* Group style */
	white-space: nowrap;
	/* @noflip */
	text-align: right;
}

.navbox,
.navbox-subgroup {
	background-color: #fdfdfd; /* Background color */
}

.navbox-list {
	border-color: #fdfdfd;    /* Must match background color */
}

/* cell spacing for navbox cells */
tr + tr > .navbox-abovebelow,
tr + tr > .navbox-group,
tr + tr > .navbox-image,
tr + tr > .navbox-list {    /* Borders above 2nd, 3rd, etc. rows */
	border-top: 2px solid #fdfdfd; /* Must match background color */
}

.navbox th,
.navbox-title {
	background-color: #ccccff;      /* Level 1 color */
}

.navbox-abovebelow,
th.navbox-group,
.navbox-subgroup .navbox-title {
	background-color: #ddddff;      /* Level 2 color */
}

.navbox-subgroup .navbox-group,
.navbox-subgroup .navbox-abovebelow {
	background-color: #e6e6ff;      /* Level 3 color */
}

.navbox-even {
	background-color: #f7f7f7;      /* Even row striping */
}

.navbox-odd {
	background-color: transparent;  /* Odd row striping */
}