aspect ratio solution

Assets/Scenes/LevelDesign.unity

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Assets/Scenes/MainMenu.unity

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Assets/Scenes/ThanksScene.unity

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Assets/Scripts/CameraCrop.cs

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+using UnityEngine;
+
+/**
+https://gamedev.stackexchange.com/questions/144575/how-to-force-keep-the-aspect-ratio-and-specific-resolution-without-stretching-th
+*/
+
+[RequireComponent(typeof(Camera))]
+public class CameraCrop : MonoBehaviour {
+
+    // Set this to your target aspect ratio, eg. (16, 9) or (4, 3).
+    public Vector2 targetAspect = new Vector2(16, 9);
+    Camera _camera;
+
+    void Start () {
+        _camera = GetComponent<Camera>();
+        UpdateCrop();
+    }
+
+    // Call this method if your window size or target aspect change.
+    public void UpdateCrop() {
+        // Determine ratios of screen/window & target, respectively.
+        float screenRatio = Screen.width / (float)Screen.height;
+        float targetRatio = targetAspect.x / targetAspect.y;
+
+        if(Mathf.Approximately(screenRatio, targetRatio)) {
+            // Screen or window is the target aspect ratio: use the whole area.
+            _camera.rect = new Rect(0, 0, 1, 1);
+        }
+        else if(screenRatio > targetRatio) {
+            // Screen or window is wider than the target: pillarbox.
+            float normalizedWidth = targetRatio / screenRatio;
+            float barThickness = (1f - normalizedWidth)/2f;
+            _camera.rect = new Rect(barThickness, 0, normalizedWidth, 1);
+        }
+        else {
+            // Screen or window is narrower than the target: letterbox.
+            float normalizedHeight = screenRatio / targetRatio;
+            float barThickness = (1f - normalizedHeight) / 2f;
+            _camera.rect = new Rect(0, barThickness, 1, normalizedHeight);
+        }
+    }
+}

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Assets/StreamingAssets/UnityServicesProjectConfiguration.json

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