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