There are four styles to how you can list in HTML. Ordered, unordered, nested, and definition. Ordered and unordered are seen as numbers or bullet points.
This
Or this
The numbers are always added for you. Definition is similar to definitions in a dictionary. Nested has sub-bullet points and numbers.
Font Choices
There are a few ways to add font choices to your web page. One way to add fonts it from google fonts. You can go onto the font you choose and get the code, and apply it to the meta data in your html code. Once you do this it will change your font right away. A rule of thumb is to always choose font that is legbile to the reader.
Rules for fonts
Fonts have a different way to be stylized compared to other applicatons such as InDesign or Microsoft Word. As opposed to just changing the text directly from the text box, in CSS you define font styles with different codes. To Define different sets of fonts you can use H1 through H6. Inside these you will add font-weight and size, color, and more. But if you want to change a word with bold or italics you can do that in your HTMl as:
<b> Add Text </b>
<i> Add Text </i>