<style type="text/css">
#screen {
position: absolute;
left: 22%;
top: 20%;
width: 60%;
height: 60%;
background: #fff;
overflow: hidden;
}
.panel {
position: relative;
float: left;
width: 21%;
height: 30%;
margin: 1%;
overflow: hidden;
}
.imgPanel {
position: absolute;
border: none;
text-decoration: none;
}
</style>