Can I use
?

CSS overflow: overlay

- UNOFF

The overlay value of the overflow CSS property is a non-standard value to make scrollbars appear on top of content rather than take up space. This value is deprecated and related functionality being standardized as the scrollbar-gutter property.

Chrome

  1. 4 - 14: Support unknown
  2. 15 - 110: Supported
  3. 111: Supported
  4. 112 - 114: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 110: Supported
  3. 111: Supported

Safari

  1. 3.1 - 3.2: Support unknown
  2. 4 - 11.1: Supported
  3. 12 - 16.3: Not supported
  4. 16.4: Not supported
  5. 16.5 - TP: Not supported

Firefox

  1. 2 - 110: Not supported
  2. 111: Not supported
  3. 112 - 113: Not supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 94: Supported
  3. 95: Supported

IE

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

Chrome for Android

  1. 111: Supported

Safari on iOS

  1. 3.2: Support unknown
  2. 4 - 11.4: Supported
  3. 12 - 16.3: Not supported
  4. 16.4: Not supported
  5. 16.5: Not supported

Samsung Internet

  1. 4 - 19.0: Supported
  2. 20: 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: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 111: Supported

Firefox for Android

  1. 110: Not supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
MDN article on overflow values
WebKit change to make "overflow: overlay" a synonym for "overflow: auto"