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