diff --git a/addons/im_livechat/static/src/less/im_livechat_bootstrap.less b/addons/im_livechat/static/src/less/im_livechat_bootstrap.less
new file mode 100644
index 00000000000..83c3bfb7757
--- /dev/null
+++ b/addons/im_livechat/static/src/less/im_livechat_bootstrap.less
@@ -0,0 +1,7 @@
+// bootstrap variables needed for embedding of im_livechat outside website
+@gray-light:    lighten(#000, 46.7%); // #777
+@gray-lighter:  lighten(#000, 93.5%); // #eee
+@screen-xs-max: 767px;
+.text-muted {
+  color: @gray-light;
+}
diff --git a/addons/im_livechat/views/im_livechat_channel_templates.xml b/addons/im_livechat/views/im_livechat_channel_templates.xml
index 19882bcb34e..cfcddf9f8d8 100644
--- a/addons/im_livechat/views/im_livechat_channel_templates.xml
+++ b/addons/im_livechat/views/im_livechat_channel_templates.xml
@@ -128,6 +128,9 @@
             <script type="text/javascript" src="/mail/static/src/js/chat_window.js"></script>
             <script type="text/javascript" src="/mail/static/src/js/thread.js"></script>
             <script type="text/javascript" src="/im_livechat/static/src/js/im_livechat.js"></script>
+            <link rel="stylesheet" href="/im_livechat/static/src/less/im_livechat_bootstrap.less"/>
+            <link rel="stylesheet" href="/web/static/src/less/variables.less"/>
+            <link rel="stylesheet" href="/web/static/src/less/utils.less"/>
             <link rel="stylesheet" href="/mail/static/src/less/chat_window.less"></link>
             <link rel="stylesheet" href="/mail/static/src/less/thread.less"></link>
             <link rel="stylesheet" href="/im_livechat/static/src/less/im_livechat.less"/>
diff --git a/addons/mail/static/src/js/chat_window.js b/addons/mail/static/src/js/chat_window.js
index 8fa1e2a2536..3936ef956e1 100644
--- a/addons/mail/static/src/js/chat_window.js
+++ b/addons/mail/static/src/js/chat_window.js
@@ -76,7 +76,8 @@ return Widget.extend({
         this.fold();
     },
     on_keydown: function (event) {
-        if (event.which === $.ui.keyCode.ENTER) {
+        // ENTER key (avoid requiring jquery ui for external livechat)
+        if (event.which === 13) {
             var message = {
                 content: this.$input.val(),
                 attachment_ids: [],