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