diff --git a/English.lproj/MainWindow.xib b/English.lproj/MainWindow.xib
index f12827f..dda5207 100644
--- a/English.lproj/MainWindow.xib
+++ b/English.lproj/MainWindow.xib
@@ -69,7 +69,7 @@
                             <rect key="frame" x="0.0" y="0.0" width="494" height="251"/>
                             <clipView key="contentView" id="h4Y-h1-wie">
                                 <rect key="frame" x="0.0" y="0.0" width="494" height="251"/>
-                                <autoresizingMask key="autoresizingMask"/>
+                                <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                 <subviews>
                                     <tableView identifier="RequestHeaders" focusRingType="none" verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnSelection="YES" multipleSelection="NO" emptySelection="NO" autosaveColumns="NO" headerView="63H-55-EM8" id="zdU-Dw-3zr" customClass="TabbingTableView">
                                         <rect key="frame" x="0.0" y="0.0" width="494" height="228"/>
diff --git a/core/MainWindowController.m b/core/MainWindowController.m
index f1f12d3..022f104 100644
--- a/core/MainWindowController.m
+++ b/core/MainWindowController.m
@@ -112,16 +112,16 @@ - (void)windowDidLoad {
     [self.urlParametersTableView setTextDidEndEditingAction:@selector(doneEditingUrlParamsRow:)];
     
     [self.mainBodyView setState:NSVisualEffectStateFollowsWindowActiveState];
-    [self.mainBodyView setMaterial:NSVisualEffectMaterialTitlebar];
+    [self.mainBodyView setMaterial:NSVisualEffectMaterialWindowBackground];
     [self.mainBodyView setBlendingMode:NSVisualEffectBlendingModeBehindWindow];
     [self.savedRequestsOuterView setState:NSVisualEffectStateActive];
-    [self.savedRequestsOuterView setMaterial:NSVisualEffectMaterialTitlebar];
+    [self.savedRequestsOuterView setMaterial:NSVisualEffectMaterialWindowBackground];
     [self.savedRequestsOuterView setBlendingMode:NSVisualEffectBlendingModeBehindWindow];
     [self.savedRequestsInnerView setState:NSVisualEffectStateActive];
     [self.savedRequestsInnerView setMaterial:NSVisualEffectMaterialContentBackground];
     [self.savedRequestsInnerView setBlendingMode:NSVisualEffectBlendingModeWithinWindow];
     [self.topOuterView setState:NSVisualEffectStateActive];
-    [self.topOuterView setMaterial:NSVisualEffectMaterialContentBackground];
+    [self.topOuterView setMaterial:NSVisualEffectMaterialTitlebar];
     [self.topOuterView setBlendingMode:NSVisualEffectBlendingModeWithinWindow];
     
     [self darkModeChanged:self];