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