.square { width:100px; height:100px; border:1px solid #000; background:yellow; } .parallelogram { width:100px; height:100px; border:1px solid #000; background:yellow; transform: skew(20deg); -o-transform: skew(20deg); -moz-transform: skew(20deg); -webkit-transform: skew(20deg); } .parallelogramRight { width:100px; height:100px; border:1px solid #000; background:yellow; transform: skew(-20deg); -o-
