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