.clearfix:after {content: "."; display: block; height: 0; clear: both; visibility: hidden;}
.clearfix {min-width: 0; display: inline-block; /* \*/	display: block;}	/* trigger hasLayout for IE7. Hide from IE Mac */

* html .clearfix {height: 1%;} /* Hide from IE Mac */ 

.clr, .clear {clear:both;}
/* end clearing */

/*
scheme_1 - bez sidebarow
scheme_2 - jeden sidebar
scheme_3 - dwa sidebary
*/