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