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