Add CSS <number> tests for hsl() string parsing

Author: danburzo

docs/_includes/partials/footer.html

@@ -9,7 +9,7 @@
 		<p>
 			Can this page be improved?
 			<a
-				href="https://github.com/Evercoder/culori/blob/master/{{ page.inputPath }}"
+				href="https://github.com/Evercoder/culori/blob/main/{{ page.inputPath }}"
 				>Edit it on GitHub</a
 			>.
 		</p>