I chose days 3-5, Basic HTML. These lessons covered paragraphs, headers, strong tags as well.
I had a few students in my class who program for a side business and are very good at it.
They offered to show students some basics and websites they used to learn - they were the same ones that are listed in the lesson plans.
I learned about how to code with color test and color in the background of text.
There are a lot of google resources on the internet - just search and explore.