Can I use
?

CSS ::marker pseudo-element

- WD

The ::marker pseudo-element allows list item markers to be styled or have their content value customized.

Chrome

  1. 4 - 85: Not supported
  2. 86 - 112: Supported
  3. 113: Supported
  4. 114 - 116: Supported

Edge

  1. 12 - 85: Not supported
  2. 86 - 112: Supported
  3. 113: Supported

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 16.4: Supported
  3. 16.5: Supported
  4. 16.6: Supported
  5. TP: Supported

Firefox

  1. 2 - 67: Not supported
  2. 68 - 112: Supported
  3. 113: Supported
  4. 114 - 115: Supported

Opera

  1. 9 - 71: Not supported
  2. 72 - 98: Supported
  3. 99: Supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 113: Supported

Safari on iOS

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 16.4: Supported
  3. 16.5: Supported

Samsung Internet

  1. 4 - 13.0: Not supported
  2. 14.0 - 20: Supported
  3. 21: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 113: Supported

Firefox for Android

  1. 113: Supported

QQ Browser

  1. 13.1: Not supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Supported
Resources:
Chrome support bug
WebKit support bug
Firefox support bug
CSS-Tricks article
MDN Web Docs - CSS ::marker