Update index.js

index.js

@@ -54,7 +54,7 @@ async function detect(url) {
 
     // Set container width and height depending on the image aspect ratio
     const ar = image.width / image.height;
-    const [cw, ch] = (ar > 720 / 480) ? [720, 720 / ar] : [480 * ar, 480];
+    const [cw, ch] = (ar > 1) ? [640, 640 / ar] : [640 * ar, 640];
     imageContainer.style.width = `${cw}px`;
     imageContainer.style.height = `${ch}px`;