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