Detailed explanation of filter attribute in CSS3

This article mainly introduces the relevant information about the powerful filterattributein CSS3. Friends who need it can refer to the

blogger Recently, in the process of building a website, I discovered a very powerful CSS3 attribute, which is the filter attribute. Friends who like p-pictures should know what kind of artifact this is by looking at the name. Of course, the effect of this attribute cannot be compared with that of PS, but if used well, one picture can be made into the effect of two pictures while saving a lot of space.

1. Definition

Filter literally means filter. The official filter attribute defines an element (usually < img>) visual effects (for example: blur and saturation); for example:

# Seeing this effect, are bloggers starting to be interested in filters?

2. Syntax

filter: none | blur() | brightness() | contrast() | drop-shadow() | grayscale() | hue-rotate() | invert() | opacity() | saturate() | sepia() | url();

As you can see, there are many attributes Select value, what do they mean?

1. grayscale grayscale

2. sepia brown (a retro old photo feel)

3. saturate saturation

4. hue-rotatehue rotation

5. invert reverse color

6. opacitytransparency

7. brightness

8. contrast

9. blur

10. drop-shadow

For example:

Use sepia to adjust here

ExamplePicture：

3、Example

Below, I will give an example of several values of the filter attribute. Other interesting things need to be discovered by bloggers. If you have any interesting things, you can share them with me.

(1)hue-rotate (Color rotation)

The effect is shown in the picture. The specific effect depends on everyone’s discovery:

The effect picture:

(2)blur(blur)

blur (blur effect, unit px)　

Example picture:

(3)invert reverse color

invert reverse color and the picture will become It’s useless to say more about the feeling of the negative, look at the code:

Sample picture:

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