.section-video,.row-video,.col-video{position:relative}.bg-video{width:100%;height:100%;position:absolute;z-index:0;top:0}div#content .col-lg-2:nth-child(6n+1), #content .col-lg-2:nth-child(6n+1), #content .col-lg-3:nth-child(4n+1), #content .col-lg-4:nth-child(3n+1), #content .col-lg-6:nth-child(2n+1){clear:none}