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