CSS3 Opacity

- REC

Chrome

  1. 110
  2. 111
  3. 112
  4. 113
  5. 114
  6. 115
  7. 116

Edge

  1. 110
  2. 111
  3. 112
  4. 113

Safari

  1. 16.2
  2. 16.3
  3. 16.4
  4. 16.5
  5. 16.6
  6. TP

Firefox

  1. 110
  2. 111
  3. 112
  4. 113
  5. 114
  6. 115

Opera

  1. 96
  2. 97
  3. 98
  4. 99

IE

  1. 8
  2. 9
  3. 10
  4. 11

Chrome for Android

  1. 113

Safari on iOS

  1. 16.2
  2. 16.3
  3. 16.4
  4. 16.5

Samsung Internet

  1. 18.0
  2. 19.0
  3. 20
  4. 21

Opera Mini

  1. all

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 73

UC Browser for Android

  1. 13.4

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 113

Firefox for Android

  1. 113

QQ Browser

  1. 13.1

Baidu Browser

  1. 13.18

KaiOS Browser

  1. 2.5
  2. 3.0-3.1

Transparency for elements in IE8 and older can be achieved using the proprietary "filter" property and does not work well with PNG images using alpha transparency.