Why Is Css Not Applying To Html?

I would like to know why my CSS won't apply to my HTML. I don't think I have done anything wrong, but it just won't apply. It's probably some really stupid beginner error, but I ha

Solution 1:

It is href and not src what you have to use in link-tag.

<link rel="stylesheet"type="text/css" href="imagetest.css">

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