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