Hi, kresimircindric. Welcome to the forums.
If you have not read our posting guidelines, please take a few minutes and read them now.
Forum POSTING Guidelines (Posting Basics): (Help us help you!)
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Please post the code that you are using to create the screenshots in the form of a “working page” as explained in the posting guidelines.
Have you ever taken a basic HTML and CSS course? (Your are new here and I am attempting to learn something of your background and experience.)