.slider-area {
    width: 250px;
    height: 17px;
    background: transparent url('/app/webroot/images/slider-area.gif') no-repeat scroll 50% 50%;
}
.slider-knob {
    width: 17px;
    height:17px;
    margin:0px;
    padding:0px;
    cursor:move;
    background: transparent url('/app/webroot/images/slider-knob.gif') no-repeat scroll 50% 50%;
}