#col1 { float: left; width: 260px; max-height:138px; padding-left:12px; padding-top:8px; margin-right:3px; }
#col1_content{ position:relative;}
   .clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
  }
.clearfix { display: block; }