<div>
    <div class="item1 item active">

    </div>
    <div class="item2 item">

    </div>
    <div class="item3 item">

    </div>
    <div class="item4 item">

    </div>
</div>
 .item1{
 height:370px;
 width:100%;
 background-image: url('res/images/publi/1.png');
}
 .item2{
 height:370px;
 width:100%;
 background-image: url('res/images/publi/2.png');
}
 .item3{
 height:370px;
 width:100%;
 background-image: url('res/images/publi/3.png');
}
 .item4{
 height:370px;
 width:100%;
 background-image: url('res/images/publi/4.png');
}