Can I use
?

CSS user-select: none

- WD

Method of preventing text/element selection using CSS.

Chrome

  1. ✅ 4 - 53: Supported
  2. ✅ 54 - 136: Supported
  3. ✅ 137: Supported
  4. ✅ 138 - 140: Supported

Edge

  1. ✅ 12 - 18: Supported
  2. ✅ 79 - 136: Supported
  3. ✅ 137: Supported

Safari

  1. ✅ 3.1 - 18.4: Supported
  2. ✅ 18.5: Supported
  3. ✅ 26.0 - TP: Supported

Firefox

  1. ✅ 2 - 68: Supported
  2. ✅ 69 - 138: Supported
  3. ✅ 139: Supported
  4. ✅ 140 - 142: Supported

Opera

  1. ❌ 9 - 12.1: Not supported
  2. ✅ 15 - 40: Supported
  3. ✅ 41 - 116: Supported
  4. ✅ 117: Supported

IE

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

Chrome for Android

  1. ✅ 137: Supported

Safari on iOS

  1. ✅ 3.2 - 18.4: Supported
  2. ✅ 18.5: Supported
  3. ✅ 26.0: Supported

Samsung Internet

  1. ✅ 4 - 5.4: Supported
  2. ✅ 6.2 - 27: Supported
  3. ✅ 28: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ✅ 2.1 - 4.4.4: Supported
  2. ✅ 137: Supported

Firefox for Android

  1. ✅ 139: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
WebKit bug to unprefix `-webkit-user-select`
CSS Tricks article
MDN Web Docs - CSS user-select
MSDN Documentation