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