.strip /* the tab strip */
{
	flow:h-flow;
	width:100%;
	//height:32px;
	//padding: 4px 10px 4px 10px;
	//border-top:1px solid threedshadow; 	
}
.panel_tab /* the tab having panel attribute, passive by default */
{
	//padding: 4px 8px 4px 8px;
	height: *; /* span the whole row */
	width:30%;
	//max-width: auto; /* not wider than max-intrinsic  */
	background-color: window;
	border-radius: 6px 6px 6px 6px;
	border-style:solid;
	border-color:threedshadow;
	margin:0px auto;
	text-align: center;
	behavior:clickable;
	cursor:pointer;
}
.strip > [panel]:nth-child(1) { background-color:bisque; }
.strip > [panel]:nth-child(2) { background-color:lavender; }
.strip > [panel]:nth-child(3) { background-color:lemonchiffon; }

.strip > [panel]:hover { color:blueviolet; }