diff --git a/index.html b/index.html
index d95969e..4170695 100644
--- a/index.html
+++ b/index.html
@@ -2,6 +2,7 @@
 <html>
 <head>
 <title>Калькулятор вероятности отказа кластера Ceph/Vitastor</title>
+<meta name="viewport" content="width=790px, initial-scale=1">
 <meta charset="utf-8" />
 <style>
 * { box-sizing: border-box; }
