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