Update templates/index.html

templates/index.html

@@ -88,7 +88,7 @@
             transition: 0.5s ease-in-out;
         }
 
-        @media only screen and (aspect-ratio: 1/1), only screen and (aspect-ratio: 3/4), only screen and (aspect-ratio: 4/3) {
+        @media only screen and (orientation: portrait) {
             .flex-container {
                 flex-direction: column;
                 align-items: center;