.screenX {position:absolute; top:150px; font-size: 18px;}
.screenY {position:absolute; top:175px; font-size: 18px;}
.mouse   {position:absolute; left:250px;}
.clientX {position:absolute; top:150px; left:600px; font-size: 18px;}
.clientY {position:absolute; top:175px; left:600px; font-size: 18px;}