clean: Do not insert spaces between colons in pseudo-elements (::before)

se/formatting.py

@@ -889,7 +889,7 @@ def _format_css_component_list(content: list, in_selector=False, in_paren_block=
 	# Here we try to re-add spaces after a : if it's within a paren block.
 	# We could do this during parsing but we would need to peek ahead to the next item in the loop which
 	# is too much trouble right now.
-	output = regex.sub(r"\(([^\"\s]+?):([^\"\s]+?)", r"(\1: \2", output)
+	output = regex.sub(r"\(([^\"\s)]+?):([^\"\s]+?)", r"(\1: \2", output)
 
 	return output.strip()
 

tests/draft_commands/clean/test-2/golden/src/epub/css/local.css

@@ -0,0 +1,17 @@
+p:nth-of-type(1)::before{
+	content: "test";
+}
+
+@media all and (prefers-color-scheme: dark){
+	p{
+		text-align: initial;
+	}
+}
+
+#chapter-1::after{
+	content: "test";
+}
+
+#chapter-1 tr:first-child{
+	content: "test";
+}

tests/draft_commands/clean/test-2/in/src/epub/css/local.css

@@ -0,0 +1,9 @@
+
+
+p:nth-of-type(1)::before{content: "test";}
+    @media all    and (prefers-color-scheme:dark){p{text-align:initial;}}
+
+
+#chapter-1::after {content: "test";}
+  #chapter-1 tr:first-child{
+content: "test";}