What does HSL stands for?

What does HSL stands for?

2) The _______property is used to set the color of the text.

3) Which of the following Color Format is a CSS colors can also be defined using the keyword rgb, followed by three numbers between 0 and 255, contained in parentheses and separated by commas, with no spaces between them?

4) Which of the following Selector selects an element if it’s the only child of its parent with its type?

5) Which of the following Color Format is a CSS2 introduced named color keywords which allows Web page colors to be matched to an operating system’s color use?