1 <div style=
"position:relative; width:420px; border:2px solid black; height:200px">
2 <div style=
"opacity:0.5;position:relative">
3 <div style=
"height:200px;background-color:green;position:absolute;width:200px;left:0;top:0"></div>
4 <div style=
"height:200px;background-color:green;position:absolute;width:200px;right:0;top:0"></div>
5 <div style=
"position:fixed;height:98px;width:98px;background-color:lightgray; left:170px; top:220px;background-color:green;border:1px solid lime">