CSS3 Opacity

- REC

Chrome

  1. 121
  2. 122
  3. 123
  4. 124
  5. 125
  6. 126
  7. 127

Edge

  1. 121
  2. 122
  3. 123
  4. 124

Safari

  1. 17.1
  2. 17.2
  3. 17.3
  4. 17.4
  5. 17.5
  6. TP

Firefox

  1. 122
  2. 123
  3. 124
  4. 125
  5. 126
  6. 127
  7. 128

Opera

  1. 106
  2. 107
  3. 108
  4. 109

IE

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

Chrome for Android

  1. 124

Safari on iOS

  1. 17.1
  2. 17.2
  3. 17.3
  4. 17.4
  5. 17.5

Samsung Internet

  1. 21
  2. 22
  3. 23
  4. 24

Opera Mini

  1. all

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 80

UC Browser for Android

  1. 15.5

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 124

Firefox for Android

  1. 125

QQ Browser

  1. 14.9

Baidu Browser

  1. 13.52

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.