/**
* Clear flow after floating elements
*
* @section clearing
* @valid yes
*/ 
.clearfix:after {visibility:hidden; display:block; font-size:0; content:" "; clear:both; height:0;}
.clear {clear:both; font-size:0; height:0; line-height:0;}
.clear-left {clear:left;}
.clear-right {clear:right;}