diff --git a/tests/reftests/background-area.css b/tests/reftests/background-area.css
index d5a7f372c0..d6b4a09659 100644
--- a/tests/reftests/background-area.css
+++ b/tests/reftests/background-area.css
@@ -6,8 +6,12 @@
   background-image: none;
 }
 
-GtkButton {
+GtkWindow {
   background-color: green;
+}
+
+GtkButton {
+  background-color: black;
   border-style: solid;
   border-color: rgba(255,0,0,0.6);
   border-width: 4;
diff --git a/tests/reftests/background-area.ref.ui b/tests/reftests/background-area.ref.ui
index 1643a51e84..fe320d350b 100644
--- a/tests/reftests/background-area.ref.ui
+++ b/tests/reftests/background-area.ref.ui
@@ -8,7 +8,7 @@
       <object class="GtkButton" id="button1">
         <property name="name">reference</property>
         <property name="label" translatable="yes">Make sure that the background
-area contains the border.</property>
+area doesn't contain the border.</property>
         <property name="visible">True</property>
         <property name="can_focus">True</property>
         <property name="receives_default">True</property>
diff --git a/tests/reftests/background-area.ui b/tests/reftests/background-area.ui
index a1861704f9..dea4bae4fc 100644
--- a/tests/reftests/background-area.ui
+++ b/tests/reftests/background-area.ui
@@ -7,7 +7,7 @@
     <child>
       <object class="GtkButton" id="button1">
         <property name="label" translatable="yes">Make sure that the background
-area contains the border.</property>
+area doesn't contain the border.</property>
         <property name="visible">True</property>
         <property name="can_focus">True</property>
         <property name="receives_default">True</property>
diff --git a/tests/reftests/box-shadow-spec-inset.css b/tests/reftests/box-shadow-spec-inset.css
index 6d6314866e..56ae755374 100644
--- a/tests/reftests/box-shadow-spec-inset.css
+++ b/tests/reftests/box-shadow-spec-inset.css
@@ -5,6 +5,7 @@ GtkButton {
   border-image: none;
   border-style: none;
   background-color: rgba(0, 0, 0, 0);
+  border-width: 0;
 }
 
 .row1, .row2, .row3 {