Element block pseudo-element :after generated with background line-height 1 width 160px font-size 16px border 11px rgba(0,0,0,1) solid float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box overflow hidden margin 0px height auto display block font-weight normal padding 20px position static transition cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform z-index auto border-radius