Element block pseudo-element :after generated with z-index auto float none border-radius width 160px cursor default font-size 16px line-height 1 display block box-sizing content-box position static padding 20px margin 0px overflow hidden transition height auto border 0px rgba(0,0,0,1) solid font-weight normal box-shadow background text-shadow 2px 2px 2px rgba(0,0,0,0.5) transform