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