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