Which of the following property defines a highlight color for a scroll bar and scroll arrows?

The correct answer is: C. scrollbar-highlight-color

The scrollbar-highlight-color CSS property defines the color of the highlight on a scroll bar and scroll arrows.

The scrollbar-color CSS property defines the color of the scrollbar track and thumb.

The scrollbar-highlight CSS property is deprecated and should not be used.

The scrollbar-highlight-background CSS property is not a valid CSS property.

Here is an example of how to use the scrollbar-highlight-color CSS property:

css
scrollbar-highlight-color: red;

This will set the color of the highlight on a scroll bar and scroll arrows to red.