CSS Filter Full Filter Guide: Enhancement of Web Visual Performance
In modern Web development, CSS Filter The attribute provides a powerful and simple method for the graphic processing of elements (usually pictures) directly in the browser. No need. Photoshop or pre-process pictures, you can make a complex color conversion from the base black and white effect.
1. Core filter function details
- blur(px)： Adds a Gaussian blur to the element. Often used for background defication or for gross glass effects.
- brightness(%)： Adjusts the brightness. 100% is original, 0% is completely black, over 100% will light up.
- contrast(%)： Adjusts the contrast.
- grayscale(%)： Converts the image to a greyscale map. The most popular use is in mourning mode or photo suspension.
- hue-rotate(deg)： Apply a colour rotation.
- invert(%)： Inverts the image colour.
- sepia(%)： Convert images to dark brown (retrovenue).
2. Common problems and real-world scenarios
Scenario I: achieving "sweet glass" effect
Combined
backdrop-filter
and
filter
, you can create the glassmolphism effect of the modern UI.
Tip：
Use background
blur()
Filters, and a semi-transparent background colour is added.
Scenario 2: visual feedback of suspension
To enhance the interactive sense, you can default for list pictures
grayscale(100%)
Yes.
:hover
Switchback
grayscale(0%)
。
Scenario III: Dynamically adjusted icon colour
If you use a single colour SVG icon as a background map, you can use it.
hue-rotate()
or
invert()
Change its colour quickly without changing the picture file.
3. Performance and compatibility
CSS filters are extremely well supported in all modern browsers. Because the filter is by GPU The acceleration retrofits are usually very good. However, in handling super-large images or too many embedded complex filters, attention needs to be paid to the impact on low-end equipment.
Use ours. CSS Filter Generator Online , you can adjust the superimposed effects of multiple parameters in real time, quickly find the desired visual solution through a visual interface, and access the code available in the production environment by one key.