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<!DOCTYPE HTML>
<html>
<body>
<div style="opacity:0.999; border-left:1px solid red; width:12px;">
<div style="position:relative; left:1px; opacity:0.999; border-left:1px solid rgb(0,255,0);">
<div style="width:10px; height:10px; background:black"></div>
</div>
</div>
</body>
</html>