Backgrounds make a website complete!! There are so many ways to make backgrounds look better.
auto
cover
contain
pixels
position
here are the codes below:
you can also layer backgrounds together, which i do frequently
At first, I added two backgrounds by just adding a comma then the second image, after that i used the background-blend-mode: luminosity; property to change how the backgrounds interacted with eachother. See the code below:
Remember, it's important which order you put the backgrounds, I put the image before the gradient so it would be above it. If I inverted it, the image would be under the gradient and not seen.