Yes I did, still the same.

Hmm thats weird. Im also using Chrome

Still the same. I checked on my phone too. There are still white sides.  I tried cleaning my cache.

Sorry for late response, but it doesn't change the color. It's still white on the sides

How do I put the same color as the background?

website: https://illume.lt/pass: tankasI added a screenshot if you didn't notice

How do I fill the sides with the color that's in the middle? I'm using Dawn 11