body{
    background-color:#2D3335;
}
#slider {
    width: 300px;
    height: 300px;
    background: #FFF;
    border: 0px solid #FFF;
    overflow: hidden;
    position: relative;
    margin: auto;
}
#slider img{
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}