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