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