diff --git a/priv/static/index.htm b/priv/static/index.htm
index b127310..ac00ec1 100644
--- a/priv/static/index.htm
+++ b/priv/static/index.htm
@@ -9,13 +9,13 @@
     <h2 id="heading">room</h2>
     <button id="logout">logout</button>
 </header>
-<main>
-    <form></form>
-    <textarea id="message" rows="4" autofocus="true" placeholder="Just type what you think about this"></textarea>
-    <button id="upload">Browse</button>
-    <button id="send">chat</button>
-    <history id="history"></history>
-</main>
+    <main>
+        <form></form>
+        <textarea id="message" rows="4" autofocus="true" placeholder="Just type what you think about this"></textarea>
+        <button id="upload">Browse</button>
+        <button id="send">chat</button>
+        <history id="history"></history>
+    </main>
     <script src="https://ws.n2o.dev/priv/utf8.js"></script>
     <script src="https://ws.n2o.dev/priv/bert.js"></script>
     <script src="https://ws.n2o.dev/priv/heart.js"></script>