=== var() through chain ===
child color: rgb(0, 128, 0)
parent --ref-color: green
child --ref-color (inherited): green
=== inherit keyword ===
inherit-parent: from-parent
inherit-child: overridden
inherit-grandchild: overridden
=== unset keyword ===
unset-child: "root-value"
=== var() fallback ===
fallback: fallback-value
=== Multiple var() ===
combined: hello red 10px