title: What's the substitute for ::shadow and /deep/?
body: <p>The two shadow-piercing combinators have been deprecated as stated in <a href="https://www.chromestatus.com/features/6750456638341120" rel="noreferrer">https://www.chromestatus.com/features/6750456638341120</a><br>Then what's the substitude for achieving the same thing, or this shadow-piercing feature has been completely abandoned?</p>