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