Codepen css not working?

This is the link: https://codepen.io/silentartworks/pen/NERpgV

If you want to apply the CSS to the body, you need to use a body selector.

Exactly, but he is using a CSS preprocessor even if he didn’t need to as far as I am concerned…

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I wouldn’t suggest you to do it that way…

Anyway you should need to use an anchor tag for each one of them…

Although it’s mostly created as an unordered list inside of a nav tag.

nav>ul>(li>a li>a li>a li>a)<ul<nav