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#div16{
width:150px;
height:75px;
background-image:url('bgimage.png');
border:2px solid black;
}
#div17{
width:150px;
height:75px;
background-image:url('bgimage.png');
border:2px solid black;
}
#div18{
width:150px;
height:75px;
background-image:url('bgimage.png');
border:2px solid black;
}
#div19{
width:150px;
height:75px;
background-image:url('bgimage.png');
border:2px solid black;
}