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