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