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