Three of these choices are true about class selectors. Which is NOT true?

There are many properties that can be used to align elements and create page layouts such as float, position, flexbox and grid. Of these four properties, which one should be used to align a global navigation bar which stays fixed at the top of the page?

When elements overlap, they are ordered on the z-axis (i.e., which element covers another). The z-index property can be used to specify the z-order of overlapping elements. Which set of statements about the z-index property are true?

What is the difference between the following line-height settings? line-height: 20px; line-height: 2;

Which of the following is true of the SVG image format? (Alternative: Which statement about the SVG image format is true?)

In the example below, when will the color pink be applied to the anchor element? a:active { color: pink;}

Which of the following characters is used to end a css declaration block?

Which of the following CSS3 properties is used to round the corners of elements?

In which example below will all HTML elements with class="master" will be center-aligned?

True or False: Hexadecimal color values are supported in all major browsers.

Is :focus a pseudo-class?