Which answer is equivalent to this: h1 { font-family: sans-serif; } h2 { font-family: sans-serif; } h3 { font-family: sans-serif; }

Which of the following pseudo-elements are invalid?

Which are the Starting and Ending tag in CSS?

What is CSS valid syntax for setting the margin value to 0?

What is the best way to insert CSS styles across multiple HTML files?

Which property specifies the spacing between lines?

You have an article of 100 lines. If for instance, you want to describe the theme with a few lines inside the text highlighted separately as shown in the image, which of the following properties will you use?

When are you likely to use an id selector in your stylesheet?

Which of the following is not a valid list property?

Consider the following font definition:

font-weight: bold

What is the other way of getting the same result?

which of the following properties specifies the minimum number of lines of a paragraph that must be left at the bottom of a page?