silverstripe-framework/thirdparty/tabstrip/images/sapphire.tabs.css

/* Caution! Ensure accessibility in print and other media types... */
@media projection, screen { /* Use class for showing/hiding tab content, so that visibility can be better controlled in different media types... */
    .ui-tabs-hide {
        display: none;
    }
}

/* Hide useless elements in print layouts... */
@media print {
    .ui-tabs-nav {
        display: none;
    }
}

/* Skin */
.ui-tabs-nav {
    list-style: none;
    margin: 0;
    padding: 0 0 0 3px;

	border-bottom: 1px #AAA solid;
	padding: 0;
	margin: 0 !important;
	clear: left;
	float: left;
	width: 100%;
	/* Need this to stop tabs from disappearing sometimes */
	position: relative;
}
.ui-tabs-nav:after { /* clearing without presentational markup, IE gets extra treatment */
    display: block;
    clear: both;
    content: " ";
}

/* If I just say li I get into problems with ".ul-tabs-nav .ui-tabs-active" below */
.ui-tabs-nav li {
	float: left;
	list-style: none;
	background: url(images/norm_li_bg.gif) no-repeat left 3px;
	margin: 0 2px 0 0;
	padding: 0 0 0 9px;
	cursor: pointer;
	position: relative;
	top: 1px;
}
.ui-tabs-nav a, .ui-tabs-nav a span {
}
.ui-tabs-nav a {
	background: url(images/norm_a_bg.gif) no-repeat right 3px;
	display: block;
	float: left;
	outline: none;
	padding: 7px 9px 3px 0;
	text-decoration: none;
	color: #555;
	font-size: 11px;
	font-weight: bold;
}

.ui-tabs-nav li.ui-tabs-active {
	background: url(images/sel_li_bg.gif) no-repeat left top;
	top: 1px;
}
.ui-tabs-nav li.ui-tabs-active a {
	background: url(images/sel_a_bg.gif) no-repeat right top;
	padding: 6px 9px 5px 0;
	color: #0074c6;
}

.ui-tabs-nav .ui-tabs-active a:link, .ui-tabs-nav .ui-tabs-active a:visited,
.ui-tabs-nav .ui-tabs-disabled a:link, .ui-tabs-nav .ui-tabs-disabled a:visited { /* @ Opera, use pseudo classes otherwise it confuses cursor... */
    cursor: text;
}
.ui-tabs-nav a:hover, .ui-tabs-nav a:focus, .ui-tabs-nav a:active,
.ui-tabs-nav .ui-tabs-unselect a:hover, .ui-tabs-nav .ui-tabs-unselect a:focus, .ui-tabs-nav .ui-tabs-unselect a:active { /* @ Opera, we need to be explicit again here now... */
    cursor: pointer;
}
.ui-tabs-disabled {
    opacity: .4;
    filter: alpha(opacity=40);
}
.ui-tabs-nav .ui-tabs-disabled a:link, .ui-tabs-nav .ui-tabs-disabled a:visited {
    color: #000;
}
.ui-tabs-panel {
	clear: left;
	overflow: auto;
	border: 1px solid #aaa;
	border-top: none;
	position: relative;
	top: 0;
	margin: 0;
	padding: 10px;
}


/* Additional IE specific bug fixes... */
* html .ui-tabs-nav { /* auto clear @ IE 6 & IE 7 Quirks Mode */
    display: inline-block;
}
*:first-child+html .ui-tabs-nav  { /* auto clear @ IE 7 Standards Mode - do not group selectors, otherwise IE 6 will ignore complete rule (because of the unknown + combinator)... */
    display: inline-block;
}