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2025-04-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article "css3 how to add color mask to the background picture" most people do not understand, so the editor summarized the following content, detailed, clear steps, with a certain reference value, I hope you can get something after reading this article, let's take a look at this "css3 how to add color mask to the background picture" article.
Method 1: overlay by positioning (pay attention to the hierarchy)
.wrap1 {
Position: relative
Width: 1200px
Height: 400px
Background: rgba (0,0,0,.5)
}
.wrap1 .inner {
Position: absolute
Left: 0
Right: 0
Top: 0
Bottom: 0
Background: url (ban8.jpg) no-repeat center center
Background-size: cover
Z-index:-1
}
Method 2: superposition through pseudo-class elements
.wrap2 {
Position: relative
Width: 1200px
Height: 400px
Background: url (ban8.jpg) no-repeat center center
Background-size: cover
}
.wrap2:: before {
Content: ""
Position: absolute
Left: 0
Right: 0
Bottom: 0
Top: 0
Background-color: rgba (0,0,0,.5)
Z-index: 2
}
Method 3: CSS3 color overlay background-blend-mode:multiply; (positive overlay)
.wrap3 {
Position: relative
Width: 1200px
Height: 400px
Background: url (ban8.jpg) rgba (0,0,0,0.5) no-repeat center center
Background-blend-mode: multiply
}
Expansion: background blur plus color overlay
.wrap4 {
Position: relative
Width: 1200px
Height: 400px
Background: url (ban8.jpg) rgba (0,0,0,0.5) no-repeat center center
Background-blend-mode: multiply
Filter: blur (2px)
Overflow: hidden
}
The above is about the content of this article on "how css3 adds color masks to background pictures". I believe we all have a certain understanding. I hope the content shared by the editor will be helpful to you. If you want to know more about the relevant knowledge, please pay attention to the industry information channel.
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