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