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