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