1 files changed, 10 insertions, 1 deletions
diff --git a/servo/components/style/values/computed/box.rs b/servo/components/style/values/computed/box.rs
index 62811d9851..0dea1c7ab9 100644
--- a/servo/components/style/values/computed/box.rs
+++ b/servo/components/style/values/computed/box.rs
@@ -383,6 +383,15 @@ impl Zoom {
         if self == Self::ONE {
             return value;
         }
-        self.value() * value
+        value * self.value()
+    }
+
+    /// Returns the un-zoomed value.
+    #[inline]
+    pub fn unzoom(self, value: f32) -> f32 {
+        if self == Self::ONE {
+            return value;
+        }
+        value / self.value()
     }
 }