Which of the following CSS3 Color Feature can be used as a macro for whatever th

Which of the following CSS3 Color Feature can be used as a macro for whatever the current color is?

2) Which of the following Color Format is a CSS’s six-digit hexadecimal format is the same as color defined in (X)HTML?

3) Which of the following Selector same as :firstline; changed under CSS3 to make pseudoelements obvious?

4) Which of the following Color Format is a CSS3 HSL value with a fourth value to set the alpha channel value for the color to define the opacity of the element?

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