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