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Change desktop background and colors - Microsoft Support
Change your desktop background color - Microsoft Support
How to change Background Color in HTML - GeeksforGeeks
How to Set Background Color with HTML and CSS - W3docs
HTML DOM Style backgroundColor Property - W3Schools
HTML Background Color – Change BG Color Tutorial
CSS background-color Property - W3Schools
CSS Backgrounds - W3Schools
How to Set Background Color in HTML & CSS - wikiHow
CSS Background Color – How to Change the Background Color …