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