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