diff --git a/fixed-layout.js b/fixed-layout.js
index 38a144a..d39c010 100644
--- a/fixed-layout.js
+++ b/fixed-layout.js
@@ -40,8 +40,8 @@ class Container {
     #side
     constructor() {
         Object.assign(this.#element.style, {
-            width: '100vw',
-            height: '100vh',
+            width: '100%',
+            height: '100%',
             display: 'flex',
             justifyContent: 'center',
             alignItems: 'center',