diff --git a/app.js b/app.js
index e0e86ff..683d313 100644
--- a/app.js
+++ b/app.js
@@ -94,7 +94,7 @@ app.use(helmet.hsts({
 }));
 
 i18n.configure({
-    locales: ['en', 'zh'],
+    locales: ['en', 'zh', 'fr', 'de', 'ja', 'es'],
     cookie: 'locale',
     directory: __dirname + '/locales'
 });
diff --git a/public/views/index.ejs b/public/views/index.ejs
index 8c4cf10..719a51c 100644
--- a/public/views/index.ejs
+++ b/public/views/index.ejs
@@ -59,12 +59,12 @@
                         <% if(facebook || twitter || github || gitlab || dropbox || google) { %>
                         <span class="ui-signin">
                             <br>
-                            <a type="button" class="btn btn-lg btn-success ui-signin" data-toggle="modal" data-target=".signin-modal" style="width: 170px;"><%= __('Sign In') %></a>
+                            <a type="button" class="btn btn-lg btn-success ui-signin" data-toggle="modal" data-target=".signin-modal" style="min-width: 170px;"><%= __('Sign In') %></a>
                         </span>
                         <span class="ui-or"><%= __('or') %></span>
                         <% }%>
                         <span class="ui-signin">
-                            <a href="<%- url %>/new" class="btn btn-lg btn-default" style="width: 170px;"><%= __('New guest note') %></a>
+                            <a href="<%- url %>/new" class="btn btn-lg btn-default" style="min-width: 170px;"><%= __('New guest note') %></a>
                             <br>
                             <br>
                         </span>
@@ -148,6 +148,10 @@
                         <select class="ui-locale">
                             <option value="en">English</option>
                             <option value="zh">中文</option>
+                            <option value="fr">Français</option>
+                            <option value="de">Deutsch</option>
+                            <option value="ja">日本語</option>
+                            <option value="es">Español</option>
                         </select>
                     </div>
                 </div>