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