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