Update templates/index.html

templates/index.html

@@ -247,10 +247,11 @@
         img.onload = function() {
   
             old = newUrl;
-            feed.src = this.src;
-            feed.style.width = "100%";
-            feed.style.height = "70%";
-            feed.style.opacity = "1";
+            setTimeout(() => {
+              feed.style.width = "100%";
+              feed.style.height = "70%";
+              feed.style.opacity = "1";
+            }, 300);
 
             const infoText = document.getElementById("info-text");
             infoText.style.opacity = "1";