diff --git a/assets/flex-kit/flex-kit.css b/assets/flex-kit/flex-kit.css
index 3a1c0e2..107241e 100644
--- a/assets/flex-kit/flex-kit.css
+++ b/assets/flex-kit/flex-kit.css
@@ -1,6 +1,5 @@
 /* flex-kit.css */
 * {
-    box-sizing: border-box;
     outline: none;
     margin: 0;
     padding: 0;