The div tags are not semantic. Consider using semantic tags where possible. For example, you might want to use section tags to wrap each group of stars. Semantic tags like header, section, article, p improve your page SEO and help screen readers. div and span do not have any meaning.

There should be an empty line between multiline sibling blocks of HTML. This adds some 'air' and simplifies reading. But don't add them between parent and child elements.

According to the checklist, you should avoid using tag names for styling (except html and body). In this case, you are styling the body tag, which is acceptable. However, be mindful not to use other tag names for styling in the future.

The .stars class is used correctly here. It is a good practice to name your classes according to their function or the content they represent, as you have done here.

The .stars__star class is also used correctly. You have followed the BEM naming convention, which is a good practice for writing maintainable and scalable CSS. However, remember to avoid fixing container size unless it is necessary for the design. In this case, you have set a fixed width and height for the .stars__star class. Ensure that this is required for your design.

You have used the nth-child pseudo-class correctly to style individual stars based on their order. This is a good use of CSS selectors to achieve the desired effect without adding extra classes or ids in your HTML.

According to the checklist, you should not use tag names for styling (except html and body). It's better to add a specific class to the body and style it.