How would you define class 'myclass' that sets the width of an element to 640px and the height to 480px ?

Which property can be used to specify all the list properties into a single expression?

In margin: 10px 20px 40px 30px; what will be the bottom margin?

What is one way to center a fixed-width element (relative to its container)?

Which of the following statements is true given the following css and markup? a.red:visited {color:#FF0000;} <a class="red" href="css_syntax.asp">CSS Syntax</a>

True or False? With CSS, it's possible to customize the numbers that appear next to list items within <ol> elements.

Which is valid media types for media query? Check all that apply.

What does the background-origin property specifies?

What does the CSS3 style grid-column-start: 2; does?

Which is NOT a valid font descriptor?

Which is NOT a valid media feature supported in media query?