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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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