Can I use
?

CSS scrollbar styling

- CR

Methods of styling scrollbars' color and width.

Chrome

  1. ◐ 4 - 120: Partial support
  2. ✅ 121 - 134: Supported
  3. ✅ 135: Supported
  4. ✅ 136 - 138: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ◐ 79 - 120: Partial support
  3. ✅ 121 - 134: Supported
  4. ✅ 135: Supported

Safari

  1. ﹖ 3.1 - 5: Support unknown
  2. ◐ 5.1 - 18.3: Partial support
  3. ◐ 18.4: Partial support
  4. ◐ 18.5 - TP: Partial support

Firefox

  1. ❌ 2 - 62: Not supported
  2. ❌ 63: Disabled by default
  3. ✅ 64 - 136: Supported
  4. ✅ 137: Supported
  5. ✅ 138 - 140: Supported

Opera

  1. ❌ 9 - 12.1: Not supported
  2. ◐ 15 - 106: Partial support
  3. ✅ 107 - 116: Supported
  4. ✅ 117: Supported

IE

  1. ◐ 5.5 - 10: Partial support
  2. ◐ 11: Partial support

Chrome for Android

  1. ✅ 135: Supported

Safari on iOS

  1. ﹖ 3.2 - 6.1: Support unknown
  2. ◐ 7: Partial support
  3. ◐ 8 - 13.7: Partial support
  4. ❌ 14 - 18.3: Not supported
  5. ❌ 18.4: Not supported
  6. ❌ 18.5: Not supported

Samsung Internet

  1. ◐ 4 - 24: Partial support
  2. ✅ 25 - 26: Supported
  3. ✅ 27: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ◐ 80: Partial support

UC Browser for Android

  1. ◐ 15.5: Partial support

Android Browser

  1. ﹖ 2.1 - 2.2: Support unknown
  2. ◐ 2.3 - 4.4.4: Partial support
  3. ◐ 135: Partial support

Firefox for Android

  1. ✅ 137: Supported

QQ Browser

  1. ◐ 14.9: Partial support

Baidu Browser

  1. ◐ 13.52: Partial support

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported
Resources:
Tutorial for IE & WebKit/Blink browsers
Firefox support bug
jQuery custom content scroller
"perfect-scrollbar" - Minimal custom scrollbar plugin
Stackoverflow article discussing cross-browser support
Webkit blog post describing their non-standard support