/*Cesar A. Becerra C., Ing. Electricista*/ #main3 { width:800px; overflow:hidden; margin-top:160px; } #column3m1 { width:263px; height:270px; float:left; margin:2px; } #column3m2 { width:262px; height:270px; float:left; margin:2px; } #column3m3 { width:263px; height:270px; float:left; margin:2px; }