Updated visuals and polish

Assets/Scripts/UI/StartButton.cs

@@ -0,0 +1,13 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class StartButton : MonoBehaviour
+{ 
+    void OnMouseDown()
+    {
+        Debug.Log("Load scene");
+        SceneManager.LoadScene("main", LoadSceneMode.Single);
+    }
+}