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