The Power of Pseudo-Classes: Dynamic Styling

Okay, so targeting attributes is cool, but what about things that change?

You know, what about an element's state? How do you style a checkbox only

when it's, well, checked, or an input field that's been disabled?

For that, we need to go a level deeper. And the answer is pseudo-classes.

These are amazing. They let you style things based on information that isn't even in your

HTML file. It's all about the current state of an element. For example,

using checked, you can make a checkbox label turn green when it's ticked, or you can use disabled

to gray out a button that can't be clicked. It's dynamic styling based on what's happening right