Performance Standard 2.2: Enhance Web Pages with List, Images and Background‐Images

2.2.1 Control background images with CSS.
2.2.2 Float and image or text.
2.2.3 Control image properties with CSS.
2.2.4 Understand and use the clear property.
2.2.5 Change list style type and position.
2.2.6 Format and float headings.
2.2.7 Work with background properties.