diff --git a/sandbox/darren/just_a_box.css b/sandbox/darren/just_a_box.css
index 9182f42c7..765fd5651 100644
--- a/sandbox/darren/just_a_box.css
+++ b/sandbox/darren/just_a_box.css
@@ -2,5 +2,5 @@
     height: 50%;
     width: 50%;
     align: center middle;
-    background: blue;
+    background: green;
 }
diff --git a/src/textual/css/styles.py b/src/textual/css/styles.py
index 4530bacd2..6a8a8b6e4 100644
--- a/src/textual/css/styles.py
+++ b/src/textual/css/styles.py
@@ -530,7 +530,11 @@ class Styles(StylesBase):
         rules = [
             (
                 rule_name,
-                (int(not is_widget_rule), int(is_important(rule_name)), *specificity),
+                (
+                    0 if is_widget_rule else 1,
+                    1 if is_important(rule_name) else 0,
+                    *specificity,
+                ),
                 rule_value,
             )
             for rule_name, rule_value in self._rules.items()