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 - 107: Supported
  3. 108: Supported
  4. 109 - 111: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 106: Supported
  3. 107: Supported

Safari

  1. 3.1 - 3.2: Support unknown
  2. 4 - 11.1: Supported
  3. 12 - 16.0: Not supported
  4. 16.1: Not supported
  5. 16.2 - TP: Not supported

Firefox

  1. 2 - 106: Not supported
  2. 107: Not supported
  3. 108 - 109: Not supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 91: Supported
  3. 92: Supported

IE

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

Chrome for Android

  1. 107: Supported

Safari on iOS

  1. 3.2: Support unknown
  2. 4 - 11.4: Supported
  3. 12 - 16.0: Not supported
  4. 16.1: Not supported

Samsung Internet

  1. 4 - 18.0: Supported
  2. 19.0: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 72: Supported

UC Browser for Android

  1. 13.4: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 107: Supported

Firefox for Android

  1. 106: Not supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

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