diff --git a/templates/head.tmpl b/templates/head.tmpl
index 9654f5b..9df8e47 100644
--- a/templates/head.tmpl
+++ b/templates/head.tmpl
@@ -1,5 +1,11 @@
 <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
 <style>
+    html, body {
+        height: 100%;
+        width: 100%;
+        margin: 0;
+    }
+
     body {
         display: flex;
         align-items: center;