diff --git a/config/mime.json b/config/mime.json
index 3b402f1b..5ab1da23 100644
--- a/config/mime.json
+++ b/config/mime.json
@@ -97,6 +97,7 @@
 	"hus": "image/x-hus",
 	"ico": "image/x-icon",
 	"ics": "text/calendar",
+	"ifc": "application/ifc",
 	"inf": "image/x-inf",
 	"img": "application/octet-stream",
     "ini": "text/x-ini",
diff --git a/public/assets/pages/viewerpage/application_image/zoom.js b/public/assets/pages/viewerpage/application_image/zoom.js
index fd2ab425..0942b45e 100644
--- a/public/assets/pages/viewerpage/application_image/zoom.js
+++ b/public/assets/pages/viewerpage/application_image/zoom.js
@@ -45,7 +45,7 @@ function builder({ $img }) {
         ),
         // zoom via scroll wheel
         rxjs.fromEvent($img.parentElement, "wheel", { passive: true }).pipe(
-            rxjs.throttleTime(100),
+            rxjs.throttleTime(100, rxjs.animateFrameScheduler),
             rxjs.map((e) => ({ scale: Math.exp(-e.deltaY / 300), clientX: e.clientX, clientY: e.clientY })),
         ),
         // zoom via keyboard shortcut
diff --git a/public/assets/pages/viewerpage/component_menubar.css b/public/assets/pages/viewerpage/component_menubar.css
index 1a30adcd..c05ac3c0 100644
--- a/public/assets/pages/viewerpage/component_menubar.css
+++ b/public/assets/pages/viewerpage/component_menubar.css
@@ -47,6 +47,14 @@
     text-transform: uppercase;
     font-weight: bold;
 }
+.component_menubar select {
+    background: #f2f2f2;
+    color: var(--color);
+    border: 2px solid #f2f2f2;
+    border-radius: 2px;
+    padding: 0 3px 0 3px;
+    margin: 0 3px;
+}
 
 .dark-mode .component_menubar {
     background: var(--bg-color);