Sorry for all the questions!
I just changed my header background color, and it has two black boxes at the end.
It also happens on the live server! https://if-charts.000webhostapp.com
The CSS for the header is here:
And the file I showed you is here:
I’m not sure if there may be something else affecting the header.
Sorry for the stupid questions, and thanks in advance!
when I open Dev Tools I see this:
background-color: #232731; // black color
change the background-color or try to get your header full width (maybe something with the container?)
[EDIT] yes. if you give your Header width 100% it works fine.
Awesome, thank you so much!