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