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