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