* {
    margin: 0;
    padding: 0;
}

#container {
    width: 700px;
    height: 800px;
    position: relative;
}

#container .prevButton {
    height: 72px;
    width: 68px;
    position: absolute;
    background: url('buttons.png') no-repeat;
    top: 50%;
    margin-top: -36px;
    cursor: pointer;
    z-index: 2000;
    background-position: left top;
    left: 0;
}

#container .prevButton:hover {
    background-position: left bottom;
    left: 0;
}

#container .nextButton {
    height: 72px;
    width: 68px;
    position: absolute;
    background: url('buttons.png') no-repeat;
    top: 50%;
    margin-top: -36px;
    cursor: pointer;
    z-index: 2000;
    background-position: right top;
    right: 0;
}

#container .nextButton:hover {
    background-position: right bottom;
    right: 0;
}

#container ul {
    width: 700px;
    height: 800px;
    list-style: none outside none;
    position: relative;
    overflow: hidden;
}

#container li:first-child {
    display: list-item;
    position: absolute;
}

#container li {
    position: absolute;
    display: none;
}