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