change opacity of background image but not the content over it
65490
Can I set background image and opacity in the same property?
154686
Transparent image background in beamer
68429
Background image is blurry
109719
background Image change using jquery
78433
Background images on options
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Alpha over layers but maintain environment background
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How do I create a partially transparent flag?
31619
How to modify the system default background image
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Can you save an image with a white background as a transparent image out of Photoshop?
156695
Change opacity of single window
125973
Alpha Transparency Remove Background Photoshop
79379
How to change background and maintain realistic effect?
8322
Removing background not getting fully transparent image in Illustrator
25276
Invert colors of an image in CSS or JavaScript
111864
CSS background opacity with rgba not working in IE 8
1128
Opacity of background-color, but not the text
1157
Transparent text cut out of background