Below please find links to archived Q&A discussion for the CSS: An Overview course.
CSS: An Overview
Exercise 1.1: Seeing is believingExercise 1.2: What CSS isExercise 1.3: Why separate form from function?Exercise 1.4: If it's in, it's out!Exercise 1.5: Link it up!Exercise 1.6: PSA: Self-closing tags
Exercise 2.1: Syntax for the wintaxExercise 2.2: One selector, many propertiesExercise 2.3: Many selectors, many propertiesExercise 2.4: The importance of semicolonsExercise 2.5: Color commentaryExercise 2.6: Check yourself before you wreck yourself
Exercise 3.1: Hexawhatnow?Exercise 3.2: Roses are red...Exercise 3.3: Pixels and emsExercise 3.4: A font of knowledgeExercise 3.5: Backup valuesExercise 3.6: Review
Exercise 4.1: Background color, height, and widthExercise 4.2: Bordering on insanityExercise 4.3: Links and text decoration
Exercise 5.1: HTML + CSS = BFFsExercise 5.2: Many selectors, many propertiesExercise 5.3: Fall back!Exercise 5.4: Size and bordersExercise 5.5: Links and text decoration