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