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