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