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border:2px solid black; margin-bottom:20px; background-color:#aaa; }
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.leftcolumn{ border:2px solid black; float:left; width:60% background-color:#aaa; margin-bottom:20px; }
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.rightcolumn{ border:2px solid black; float:right; width:35% background-color:#aaa; margin-bottom:20px; } footer{ border:2px solid black; background-color:#aaa; } .clr{ display:block; clear:both; }