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