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-rw-r--r--components/style/rule_tree/mod.rs5
1 files changed, 4 insertions, 1 deletions
diff --git a/components/style/rule_tree/mod.rs b/components/style/rule_tree/mod.rs
index ff511a2a583..1b1062d255a 100644
--- a/components/style/rule_tree/mod.rs
+++ b/components/style/rule_tree/mod.rs
@@ -210,7 +210,10 @@ impl RuleTree {
_ => {},
};
}
- if any_normal {
+ // We really want to ensure empty rule nodes appear in the rule tree for
+ // devtools, this condition ensures that if we find an empty rule node, we
+ // insert it at the normal level.
+ if any_normal || !any_important {
if matches!(level, Transitions) && found_important {
// There can be at most one transition, and it will come at
// the end of the iterator. Stash it and apply it after