Multiple choice Which of the following is NOT a valid statement with reference to CSS? CSS defines how to display HTML elements. External style sheets are stored in CCS files. Styles were added from HTML 4.0. External style sheets can save a lot of work. A CSS rule has two main parts: a selector, and one or more declarations. Reveal answer Fill a bubble to check yourself B Correct answer Explanation Style sheets are normally saved in external .CSS files not .CCS files.