Design fixes (#665)

front/src/modules/ui/themes/animation.ts

@@ -0,0 +1,6 @@
+export const animation = {
+  duration: {
+    instant: 0.1,
+    visible: 0.3,
+  },
+};

front/src/modules/ui/themes/themes.ts

@@ -1,3 +1,4 @@
+import { animation } from './animation';
 import { backgroundDark, backgroundLight } from './background';
 import { blur } from './blur';
 import { borderDark, borderLight } from './border';
@@ -13,6 +14,7 @@ const common = {
   icon: icon,
   text: text,
   blur: blur,
+  animation: animation,
   snackBar: {
     success: {
       background: '#16A26B',