About pseudo-class a:hover expressed in line style, solution, _html/css_WEB-ITnose

I want to customize a module in the Taobao backend template. I need to use a:hover to realize the style of the picture changing when the mouse rolls over. However, Taobao's SDK requires designers to change the CSS source file, so I just I want to be able to customize all the styles to be written in the row, such as

Write a navigation bar to change the background image when the mouse slides over it. Can any expert help me? How to write a:hover in the row style, or is there any other way to achieve it?
Urgent!

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to the file This is okay

The two people above have correct answers

What you said above should be okay. When we learn, it will be okay

It should have been solved

a:hover cannot be written directly inline.

If you have sufficient permissions, you can use the method mentioned above to append the STYLE table and JS.

However, in general experience, I am afraid that the scope of content that you are allowed to operate is not that wide. For example, JS, when it comes to security issues, you are generally not allowed to write casually. I don’t know what the actual situation of the original poster is. You can try it, but if it doesn’t work, let’s talk about it.

Add

Haha, everything mentioned above is correct, any method can be used. . .

In the style sheet, define a tags respectively, as follows:
a:link,a:visited{//Required style}
a:hover{//Required style }

In a situation like yours, it is best to define a Class to write the style.

Thank you brothers and sisters!