.clearfix:after {   /* fixes FF (applies background color regardless of height of left content or sidebar) */
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix { display: inline-block; }

/* Hides from IE-mac \*/
* html .clearfix { height: 1%; }
.clearfix { display: block; }
/* End hide from IE-mac */