#screen{
    position:relative;
    height:780px;
    width:1280px;
  //  margin-top:1px;
}

#screen .next, #screen .prev{
    position:absolute;
    top:000px;
    }

#sections{
    overflow:hidden;
    //background-color:white;
    width:1280px;
    height:800px;
    clear:left;
}

#sections ul{
    width:5150px;
    }

#sections li{
    float:left;
//    padding:1px 1px;
    height: 798px;
    width: 1278px;
    position: relative;
    margin-left:auto;
    margin-right:auto;
    display: table-cell;
    vertical-align: middle;
    background-color: black;
}