diff --git a/front/client/App.vue b/front/client/App.vue
index a294fde..4c15d58 100644
--- a/front/client/App.vue
+++ b/front/client/App.vue
@@ -18,7 +18,9 @@ export default class RootComponent extends Vue {}
 </script>
 
 <style>
-.flex-1 {
-  flex: 1
+*,
+*:before,
+*:after {
+  box-sizing: border-box;
 }
 </style>
\ No newline at end of file