Please help - new to web design. why wont background-size:cover work? for some reason it ignores cover and repeats it

Question

CSS - This is the css i have written. Im not sure why the background color repeats instead of covering like i said. Sorry if its a dumb mistake, im very new to coding and web de

Answer 1

To quote MDN

The background-size CSS property specifies the size of the background images.

The key word there is images. Size will not apply to color or gradients.