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