#site {
    width: 980px;
    margin: 0 auto;
}
 
#banner {
    position: relative;
    width: 980px;
    height: 200px;
    overflow: hidden;
    box-shadow: 2px 2px 6px rgba(0,0,0,0.25);
    border: 1px solid #999;
}
 
#wrapper {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    font-size: 0;
}
 
.slide {
    display: inline-block;
    height: 100%;
    font-size: 16px;
}