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