diff --git a/week-1/problems/0-horizontal-align/index.html b/week-1/problems/0-horizontal-align/index.html
index 7b2f62cf..c0fafc4a 100644
--- a/week-1/problems/0-horizontal-align/index.html
+++ b/week-1/problems/0-horizontal-align/index.html
@@ -20,7 +20,7 @@
 </head>
 
 <body>
-    <div style="display: flex; justify-content: center;">
+    <div style="display: flex; justify-content: center; align-items: center; height: 100vh ;">
         <div class="container">
             <div class="content">
                 <h1>Hello World</h1>
