.cf:after,.cf:before{content:" ";display:table}.cf:after{clear:both}.cf{*zoom:1}.cl{clear:left}.cr{clear:right}.cb{clear:both}.cn{clear:none}@media screen and (min-width:30em){.cl-ns{clear:left}.cr-ns{clear:right}.cb-ns{clear:both}.cn-ns{clear:none}}@media screen and (min-width:30em) and (max-width:60em){.cl-m{clear:left}.cr-m{clear:right}.cb-m{clear:both}.cn-m{clear:none}}@media screen and (max-width:60em) and (orientation:landscape){.cl-ml{clear:left}.cr-ml{clear:right}.cb-ml{clear:both}.cn-ml{clear:none}}@media screen and (min-width:60em){.cl-l{clear:left}.cr-l{clear:right}.cb-l{clear:both}.cn-l{clear:none}}