ACTIVITY 5
This box has a yellow background color using a color name
This box has a cornflower blue background color using a decimal RGB value
This box has a background color using a hexadecimal value
This box has a gray background color using a color name
This box has a blue background color using an HSL value
This box has a black background color using an HWB value
This box has a gradient background using a linear gradient
This box has a red border using the currentcolor keyword
This box has multiple background images
This box has a single background image that stretches to fill the box
This box has a background image that scrolls with the content
This box has a background image with opacity
This box has multiple overlapping background images