/*
    root element for the scrollable.
    when scrolling occurs this element stays still.
*/
div.scrollable {

    /* required settings */
    position:relative;
    overflow:hidden;
    width: 660px;
    height:90px;
}

/*
    root element for scrollable items. Must be absolutely positioned
    and it should have a super 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:absolute;
}

/*
    a single item. must be floated on 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 item */
div.items div.active {
    border:1px inset #ccc;
    background-color:#fff;
}