| PASS | background-size_initial | |
| PASS | background-size_auto | |
| PASS | background-size_cover | |
| PASS | background-size_contain | |
| PASS | background-size_length_zero | |
| PASS | background-size_length_negative_zero | |
| PASS | background-size_length_positive_zero | |
| PASS | background-size_length_normal | |
| PASS | background-size_percentage_min | |
| PASS | background-size_percentage_normal | |
| PASS | background-size_percentage_max | |
| PASS | background-size_auto_auto | |
| PASS | background-size_auto_length | |
| PASS | background-size_auto_percentage | |
| PASS | background-size_length_auto | |
| PASS | background-size_length_length | |
| PASS | background-size_length_percentage | |
| PASS | background-size_percentage_auto | |
| PASS | background-size_percentage_length | |
| PASS | background-size_percentage_percentage | |