CSS3 Opacity

- REC

Chrome

  1. 119
  2. 120
  3. 121
  4. 122
  5. 123
  6. 124
  7. 125

Edge

  1. 118
  2. 119
  3. 120
  4. 121

Safari

  1. 17.0
  2. 17.1
  3. 17.2
  4. 17.3
  5. 17.4
  6. TP

Firefox

  1. 120
  2. 121
  3. 122
  4. 123
  5. 124
  6. 125
  7. 126

Opera

  1. 103
  2. 104
  3. 105
  4. 106

IE

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

Chrome for Android

  1. 121

Safari on iOS

  1. 17.0
  2. 17.1
  3. 17.2
  4. 17.3
  5. 17.4

Samsung Internet

  1. 20
  2. 21
  3. 22
  4. 23

Opera Mini

  1. all

Opera Mobile

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

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. 121

Firefox for Android

  1. 122

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.