Why does CSS button background color animation fail in Chrome and Edge browsers?

Compatibility issues and solutions for CSS button background color animation in Chrome and Edge browsers

You may encounter browser compatibility issues when changing the background color of an element using CSS animation. For example, Chrome and Edge browsers differ from Firefox when dealing with background color animations of button elements. Specifically, if button element does not have a background color, the animation effects in Chrome and Edge browsers may be invalid, while div element will not be affected.

Problem analysis:

This problem stems from the difference in default styles of button elements in different browsers. Chrome and Edge set button element's background color to transparent by default, while Firefox will give button element a default background color. When modifying the background color using @keyframes animation, if the element itself does not set the background color, Chrome and Edge will ignore the animation of background-color attribute because the transparent background cannot be modified by the animation.

Solution:

The solution is very simple. Just set a background color explicitly for the button element, even background-color: transparent; . This will ensure that Chrome and Edge browsers have a background color that can be modified by animation, so that the animation effect takes effect.

Another way is to use pseudo-elements ::before or ::after to implement animation effects, applying animation to pseudo-elements, rather than directly acting on button elements. This method can avoid modifying the background color attribute of button element itself and keeping its background transparent.

Through the above methods, the compatibility problem of CSS button background color animation in different browsers can be effectively solved, ensuring that the animation effect can be displayed normally in all mainstream browsers.

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