I feel like discouraging you from coding as a primary income source, unless you were thinking of doing it in an office setting. Very hard to get into remotely; you usually have to do the office thing before they transition you to remote.
I was in University for Biology but had to drop out because I developed schizophrenia.
The following code what put the text in a div tag and make it black.
HTML you just have to learn the tags and how to enter CSS, basic example in you index.php file…
<div style="color: #000000;">Hello</div>
You can have a separate file with your HTML code called index.php and another file called style.css. In your index.php file you enter code to tell it to look for the CSS file in the head tag
I have a project on GitHub. I posted about it here on the forum. It’s a web based photo gallery project. The code quality is kinda amateur. I created this project in part to organize my photos and in part to learn how to code.