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