div.scrollable {

	/* required settings */
	position:relative;
	overflow:hidden;
	width: 700px;
	height:90px;
}

/*
	root element for scrollable items. Must be absolutely positioned
	and it should have a extremely large width to accomodate scrollable items.
	it's enough that you set width and height for the root element and
	not for this element.
*/
div.scrollable div.items {
	/* this cannot be too large */
	width:20000em;
	position: relative; left: 0px;
	top: 0px;
}

/*
	a single item. must be floated in horizontal scrolling.
	typically, this element is the one that *you* will style
	the most.
*/
div.scrollable div.items div {
	float:left;
}

/* you may want to setup some decorations to active the item */
div.items div.active {
	border:1px inset #ccc;
	background-color:#fff;
}

.items img { margin:0; } 
 /* make A tags our floating scrollable items */ 
.items a { display:block; float:left; margin:10px 15px; }  
   /* tooltip styling */

.scrollable .active { border:1px solid #fff; outline:2px solid #000; /* these two settings makes it visible over the mask */ z-index:9999; position:relative; }