Creating an a-expanded attribute with the value set to "true" for styling purposes

Is it possible to utilize the expanded attribute for styling using CSS?

I have a dropdown with the following attribute:

expanded="false"

When the dropdown is open, the attribute changes to:

expanded="true".

Since there is no specific class assigned, I am curious if this attribute can be used for styling purposes.

Thank you!

Answer №1

span[active="true"]{
  background-color:blue;
}
<span active="true">lorem ipsum</span>

Answer №2

Absolutely, you have the capability to achieve this:

div.expanded { color: red; }

But as far as I am aware, there is no HTML attribute named expanded? It would be more appropriate to simply include the .expanded class instead of utilizing expanded="true".

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