diff --git a/index.html b/index.html
index 211fd50..464ec0b 100644
--- a/index.html
+++ b/index.html
@@ -13,7 +13,7 @@
     <!-- https://w3c.github.io/manifest/ && https://developer.mozilla.org/en-US/docs/Web/Manifest -->
     <link rel="manifest" href="webapp.manifest.json">
     <title ng-bind-template="{{ notificationStatus }}Glowing Bear {{ pageTitle}}"></title>
-    <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet" media="screen" integrity="sha384-7tY7Dc2Q8WQTKGz2Fa0vC4dWQo07N4mJjKvHfIGnxuC4vPqFGFQppd9b3NWpf18/" crossorigin="anonymous">
+    <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" media="screen" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
     <link rel="shortcut icon" sizes="128x128" href="assets/img/glowing_bear_128x128.png">
     <link rel="apple-touch-icon" sizes="128x128" href="assets/img/glowing_bear_128x128.png">
     <link rel="shortcut icon" type="image/png" href="assets/img/favicon.png" >
@@ -75,7 +75,7 @@
               </a>
             </h4>
           </div>
-          <div id="collapseOne" class="panel-collapse collapse in">
+          <div id="collapseOne" class="panel-collapse collapse">
             <div class="panel-body">
                <form class="form-signin" role="form">
                 <div class="form-group">
@@ -128,7 +128,7 @@
               </a>
             </h4>
           </div>
-          <div id="collapseTwo" class="panel-collapse collapse in">
+          <div id="collapseTwo" class="panel-collapse collapse">
             <div class="panel-body">
               <h3>Configuring the relay</h3>
               <div>To start using glowing bear, please enable the relay plugin in your WeeChat client:
@@ -167,7 +167,7 @@
               </a>
             </h4>
           </div>
-          <div id="collapseThree" class="panel-collapse collapse in">
+          <div id="collapseThree" class="panel-collapse collapse">
             <div class="panel-body">
               <p>If you check the encryption box, the communication between browser and WeeChat will be encrypted with TLS.</p>
               <p><strong>Note</strong>: If you are using a self-signed certificate, you have to visit <a href="https://{{ settings.host }}:{{ settings.port }}/weechat">https://{{ settings.host || 'weechathost' }}:{{ settings.port || 'relayport' }}/weechat</a> in your browser first to add a security exception. You can close that tab once you confirmed the certificate, no content will appear. The necessity of this process is a bug in <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=594502">Firefox</a> and other browsers.</p>
@@ -194,7 +194,7 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
               </a>
             </h4>
           </div>
-          <div id="collapseFour" class="panel-collapse collapse in">
+          <div id="collapseFour" class="panel-collapse collapse">
             <div class="panel-body">
               <p>You don't need to install anything to use this app, it should work with any modern browser. Start using it <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">right now</a>! However, there are a few ways to improve integration with your operating system.</p>
               <h3>Mobile Applications</h3>
@@ -217,7 +217,7 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
               </a>
             </h4>
           </div>
-          <div id="collapseFive" class="panel-collapse collapse in">
+          <div id="collapseFive" class="panel-collapse collapse">
             <div class="panel-body">
               <p>Glowing bear is built by a small group of developers in their free time. As we're always trying to improve it, we would love getting your feedback and help. If that sounds like something you might enjoy, check out our <a href="https://github.com/glowing-bear/glowing-bear">project page</a> on GitHub!</p>
               <p>If you're interested in contributing or simply want to say hello, head over to <strong>#glowing-bear</strong> on <strong>freenode!</strong> We won't bite, promise (-ish).</p>