We will see a few reasons why to learn CSS-
1. Design your Website As You Want It To Look
You can pick a free template from the internet, but that may not look the way you want, so by learning css will make your website look exactly the way you want.
2 .Money
By learning css you can build youn own bebsites and template and sell online this way you can make money.
Another way would be doing freelancing work.
3. Saves Money
There are a lot of web designers who will build your website or your CSS for you.
But paying someone else to maintain your website or blog can get expensive, even if you only have them create the designs and you then maintain the content.
Knowing how to modify the CSS will save you money when you find small problems that you can fix yourself.
And as you practice, you'll be able to fix bigger and more complex problems.
4. Build more Diverse Websites
CSS supports sites that look very different from page to page, without a lot of extensive coding.