.containerContent {
    z-index: 1;
    position: relative;
}  
.col1{width: 100%; position: relative; float: left;}
.col2{width: 345px; height: 385px; position: relative; float: left;}
.col3{width: 400px; height: 385px; position: relative; float: left;}
.col4{width: 495px; height: 385px; position: relative; float: left;}
.col5{width: 255px; height: 385px; position: relative; float: left;}
.col6{width: 342px; height: 385px; position: relative; float: left;}
.col7{width: 145px; height: 385px; position: relative; float: left;}
.col8{width: 170px; height: 385px; position: relative; float: left;}