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