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