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