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