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