ok

src/main/java/com/youpe/test/client/CustomHandledScreen.java

@@ -30,7 +30,7 @@ import java.util.Set;
 
 @Environment(EnvType.CLIENT)
 public abstract class CustomHandledScreen<T extends ScreenHandler> extends Screen implements ScreenHandlerProvider<T> {
-    public static final Identifier BACKGROUND_TEXTURE = new Identifier("textures/gui/container/inventory.png");
+    public static final Identifier BACKGROUND_TEXTURE = new Identifier("testing:textures/inventory.png");
     private static final float field_32318 = 100.0F;
     private static final int field_32319 = 500;
     public static final int field_32322 = 100;

src/main/java/com/youpe/test/client/CustomInventoryScreen.java

@@ -38,7 +38,6 @@ public class CustomInventoryScreen extends CustomAbstractInventoryScreen<PlayerS
             this.client.setScreen(new CreativeInventoryScreen(this.client.player, this.client.player.networkHandler.getEnabledFeatures(), (Boolean)this.client.options.getOperatorItemsTab().getValue()));
         } else {
             super.init();
-            this.narrow = this.width < 379;
         }
     }
 
@@ -48,11 +47,7 @@ public class CustomInventoryScreen extends CustomAbstractInventoryScreen<PlayerS
 
     public void render(DrawContext context, int mouseX, int mouseY, float delta) {
         this.renderBackground(context);
-        if (this.narrow) {
+        super.render(context, mouseX, mouseY, delta);
-            this.drawBackground(context, delta, mouseX, mouseY);
-        } else {
-            super.render(context, mouseX, mouseY, delta);
-        }
 
         this.drawMouseoverTooltip(context, mouseX, mouseY);
         this.mouseX = (float)mouseX;
@@ -113,11 +108,11 @@ public class CustomInventoryScreen extends CustomAbstractInventoryScreen<PlayerS
     }
 
     protected boolean isPointWithinBounds(int x, int y, int width, int height, double pointX, double pointY) {
-        return (!this.narrow) && super.isPointWithinBounds(x, y, width, height, pointX, pointY);
+        return super.isPointWithinBounds(x, y, width, height, pointX, pointY);
     }
 
     public boolean mouseClicked(double mouseX, double mouseY, int button) {
-        return this.narrow ? false : super.mouseClicked(mouseX, mouseY, button);
+        return super.mouseClicked(mouseX, mouseY, button);
     }
 
     public boolean mouseReleased(double mouseX, double mouseY, int button) {