CSS3 Opacity

- REC

Chrome

  1. 144
  2. 145
  3. 146
  4. 147
  5. 148
  6. 149
  7. 150

Edge

  1. 143
  2. 144
  3. 145
  4. 146

Safari

  1. 26.1
  2. 26.2
  3. 26.3
  4. 26.4
  5. 26.5
  6. TP

Firefox

  1. 146
  2. 147
  3. 148
  4. 149
  5. 150
  6. 151
  7. 152

Opera

  1. 124
  2. 125
  3. 126
  4. 127

IE

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

Chrome for Android

  1. 147

Safari on iOS

  1. 26.1
  2. 26.2
  3. 26.3
  4. 26.4
  5. 26.5

Samsung Internet

  1. 26
  2. 27
  3. 28
  4. 29

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. 147

Firefox for Android

  1. 149

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.