.demo {width: 445px;height: 270px;font-size: 14px;position:relative;}
.demo a.control {position:absolute;display: block;top: 50%;margin-top: -78px;width: 76px;height: 112px;cursor: pointer;z-index: 2;background: url(buttons.png) no-repeat}
.demo a.prev {left: 0;background-position: 0 0}
.demo a.next {right: 0;background-position: -76px 0}
.demo a.prev:hover {background-position: 0 -112px}
.demo a.next:hover {background-position: -76px -112px}

.slider {display: none}