is the background color actually changes? make sure you are linking the css correctly
yes, a selector, you can’t put a property in a media query, you need to always put the property in a selector
Can you provide me with an example please? I’m having a hard time. This is all new to me. Kinda just self teaching myself like some others on here.
Take a look at the piano workshop. You worked with media queries there:
Learn Responsive Web Design by Building a Piano: Step 33 | freeCodeCamp.org