fix somes issues

Sources/justMUSIC/web/index.html

@@ -57,3 +57,35 @@
   </script>
 </body>
 </html>
+<style>
+    body {
+      height: 500vh !important;  /* Bigger than 100% to allow scroll */
+      position: static !important;  /* Override absolute from flutter */
+      overflow-y: scroll !important; /* Allows verticall scrolling */
+      overflow-x: hidden !important;
+      touch-action: pan-y !important;  /* Allows vertical scrolling */
+      overscroll-behavior: none; /* Avoid bouncing scrolling on top/bottom edget */
+    }
+
+     /* Centers flutter canvas with a size of the viewport*/
+    flt-glass-pane {
+      position: fixed !important; /* Overrides absolute from flutter  */
+      top: 50vh  !important;
+      left: 50vw  !important;
+      max-width: 100vw  !important;
+      max-height: 100vh  !important;
+      transform: translate(-50vw, -50vh)  !important;
+    }
+
+    /*
+    Scrollbar hide doesn't work on iOS, they add a default one when overflow:true and  -webkit-overflow-scrolling: touch;
+    Sadly since iOS 13, this value is forced on iOS -> https://developer.apple.com/documentation/safari-release-notes/safari-13-release-notes
+    */
+    ::-webkit-scrollbar {
+      display: false;
+      width: 0px;
+      height: 0px;  /* Remove scrollbar space */
+      background: transparent;  /* Optional: just make scrollbar invisible */
+    }
+
+  </style>