.scrollleft{
    width:1200px;
}
.scrollleft li{
    float:left;
    margin-right:20px;margin-bottom:20px;
    display:inline;
    width:224px;
    height:100px;
    text-align:center;
    line-height:19px;
   
}
.scrollleft img{
    width:224px;
    height:100px;
}
.scrollleft li:nth-child(5n){ margin-right:0px;}