Website Layout - different background colour sections with full width

1. How do you add a background color to a section part?
2. How do you spread background color in CSS?
3. Which tool is used to fill double color in background?

How do you add a background color to a section part?

To add background color in HTML, use the CSS background-color property. Set it to the color name or code you want and place it inside a style attribute. Then add this style attribute to an HTML element, like a table, heading, div, or span tag.

How do you spread background color in CSS?

You can use the :before pseudo element with absolute positioning and negative z-index to extend the background color of a contained div the entire way to the edge of the page.

Which tool is used to fill double color in background?

The Paint Bucket tool is used to fill a selected area with a color or pattern by clicking on a pixel in that area.