Element button pseudo-element :after generated with border-radius display block position static background font-size 16px cursor default box-sizing content-box width 160px margin 0px z-index auto float none font-weight normal transition border 0px rgba(0,0,0,1) solid line-height 1 transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto padding 20px