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