Can I use
?

CSS namespaces

- REC

Using the @namespace at-rule, elements of other namespaces (e.g. SVG) can be targeted using the pipe (|) selector.

Chrome

  1. ✅ 4 - 128: Supported
  2. ✅ 129: Supported
  3. ✅ 130 - 132: Supported

Edge

  1. ✅ 12 - 128: Supported
  2. ✅ 129: Supported

Safari

  1. ﹖ 3.1 - 3.2: Support unknown
  2. ✅ 4 - 17.6: Supported
  3. ✅ 18.0: Supported
  4. ✅ 18.1 - TP: Supported

Firefox

  1. ✅ 2 - 129: Supported
  2. ✅ 130: Supported
  3. ✅ 131 - 133: Supported

Opera

  1. ✅ 9 - 113: Supported
  2. ✅ 114: Supported

IE

  1. ❌ 5.5 - 8: Not supported
  2. ✅ 9 - 10: Supported
  3. ✅ 11: Supported

Chrome for Android

  1. ✅ 129: Supported

Safari on iOS

  1. ﹖ 3.2 - 4.1: Support unknown
  2. ✅ 4.2 - 17.6: Supported
  3. ✅ 18.0: Supported
  4. ✅ 18.1: Supported

Samsung Internet

  1. ✅ 4 - 24: Supported
  2. ✅ 25: Supported

Opera Mini

  1. ✅ all: Supported

Opera Mobile

  1. ✅ 10 - 12.1: Supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ✅ 2.1 - 4.4.4: Supported
  2. ✅ 129: Supported

Firefox for Android

  1. ✅ 130: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
MDN Web Docs - CSS @namespace