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