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