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