diff --git a/css/main.scss b/css/main.scss
index 47a70279..c7090d27 100644
--- a/css/main.scss
+++ b/css/main.scss
@@ -367,7 +367,7 @@ header {
     position: fixed;
     top: 0;
     left: 0;
-    width: 100vw;
+    width: 100%;
     height: 100vh;
     opacity: 0;
     display: flex;