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