fix Superfarming mobile landscape

Author: Masterjun3

Superfarming/Superfarming.html

@@ -14,7 +14,7 @@
         <!-- <img id="player" src="Assets/player.png" style="display: none;">
         <img id="obstacle" src="Assets/obstacle.png" style="display: none;"> -->
         <div style="display: flex; align-items: center; justify-content: center; height: 100%;">
-            <canvas id="canvas" width="768" height="512" style="max-width: 100%; border: 1px solid black; border-radius: 10px;"></canvas>
+            <canvas id="canvas" width="768" height="512" style="max-width: 100%; max-height: 100%; border: 1px solid black; border-radius: 10px;"></canvas>
         </div>
         <script type="module" src="./Superfarming.js"></script>
     </body>