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