diff --git a/templates/bundles/TwigBundle/Exception/error404.html.twig b/templates/bundles/TwigBundle/Exception/error404.html.twig
index 9156661..f4c76a0 100644
--- a/templates/bundles/TwigBundle/Exception/error404.html.twig
+++ b/templates/bundles/TwigBundle/Exception/error404.html.twig
@@ -6,7 +6,7 @@
     {% include 'nav.html.twig' %}
 
     <div class="row">
-        <div class=""col-12" style="text-align: center;line-height: normal;margin-top: 100px;">  <pre>
+        <div class="col-12" style="text-align: center;line-height: normal;margin-top: 100px;">  <pre>
 ██╗  ██╗ ██████╗ ██╗  ██╗
 ██║  ██║██╔═████╗██║  ██║
 ███████║██║██╔██║███████║
@@ -19,7 +19,7 @@
     </div>
 
     <div class="row">
-        <div class=""col-12" style="text-align: center">
+        <div class="col-12" style="text-align: center">
             --> <a href="{{ path('index') }}">200</a> <--
         </div>
     </div>
diff --git a/templates/bundles/TwigBundle/Exception/error500.html.twig b/templates/bundles/TwigBundle/Exception/error500.html.twig
index a4fadf1..6ebc22a 100644
--- a/templates/bundles/TwigBundle/Exception/error500.html.twig
+++ b/templates/bundles/TwigBundle/Exception/error500.html.twig
@@ -6,7 +6,7 @@
     {% include 'nav.html.twig' %}
 
     <div class="row">
-        <div class=""col-12" style="text-align: center;line-height: normal;margin-top: 100px;">  <pre>
+        <div class="col-12" style="text-align: center;line-height: normal;margin-top: 100px;">  <pre>
 ███████╗ ██████╗  ██████╗
 ██╔════╝██╔═████╗██╔═████╗
 ███████╗██║██╔██║██║██╔██║
@@ -18,7 +18,7 @@
     </div>
 
     <div class="row">
-        <div class=""col-12" style="text-align: center">
+        <div class="col-12" style="text-align: center">
             --> <a href="{{ path('index') }}">200</a> <--
         </div>
     </div>
diff --git a/templates/fediplan/Ajax/layout.html.twig b/templates/fediplan/Ajax/layout.html.twig
index 6afe7b2..dbba7f9 100644
--- a/templates/fediplan/Ajax/layout.html.twig
+++ b/templates/fediplan/Ajax/layout.html.twig
@@ -2,7 +2,7 @@
 {% for status in statuses %}
 
     <div class="row" id="message_container_{{ status.getId()  }}" style="margin-bottom: 20px;">
-        <div class=""col-8">
+        <div class="col-8">
             <div class="card">
                 <div class="card-horizontal" style=" display: flex;flex: 1 1 auto;">
                     <div class="img-square-wrapper">
diff --git a/templates/fediplan/index.html.twig b/templates/fediplan/index.html.twig
index 1dbc511..b0cf39c 100644
--- a/templates/fediplan/index.html.twig
+++ b/templates/fediplan/index.html.twig
@@ -31,7 +31,7 @@
         </div>
     {% elseif flow.getCurrentStepNumber() == 2 %}
         <div class="row">
-            <div class=""col-6">
+            <div class="col-6">
                 <div class="alert alert-warning">
                     {{ 'messages.login_authorization'|trans }}
                 </div>
@@ -62,7 +62,7 @@
     {% endif %}
     {{ form_widget(form) }}
     <div class="row">
-        <div class=""col-2">
+        <div class="col-2">
             <input type="submit" class="btn btn-primary btn-block btn-flat"  value="{{ 'common.next'|trans }}"/>
         </div>
     </div>
diff --git a/templates/fediplan/schedule.html.twig b/templates/fediplan/schedule.html.twig
index 17ab067..dd6dbef 100644
--- a/templates/fediplan/schedule.html.twig
+++ b/templates/fediplan/schedule.html.twig
@@ -28,7 +28,7 @@
 
     {{ form_start(form, {'attr': {'novalidate': 'novalidate'}}) }}
     <div class="row" style="margin-top: 30px;">
-        <div class=""col-12">
+        <div class="col-12">
             <div class="form-group has-feedback">
                 {{ form_label(form.content_warning) }}
                 {{ form_widget(form.content_warning, {'attr': {'class': 'form-control', 'data-emojiable':'true'}}) }}
@@ -54,7 +54,7 @@
             </div>
 
             <div class="row">
-                <div class=""col-4 col-4" style="margin-top: 20px;">
+                <div class="col-4 col-4" style="margin-top: 20px;">
                     <div class="form-inline has-feedback">
                         <label for="count">{{ 'common.counter'|trans }}</label>&nbsp;&nbsp;<span id="count" >0</span>
                         &nbsp;/{{ instanceConfiguration.statuses.maxCharacters }}
@@ -114,7 +114,7 @@
                         {% endif %}
                     </div>
                 </div>
-                <div class=""col-2 col-2">
+                <div class="col-2 col-2">
                     <label for="count">{{ 'common.poll'|trans }}</label>&nbsp;&nbsp;
                     <span id="poll_switch" class="form-control" style="text-align: center;cursor:pointer;" >  <i class="fa fa-tasks fa-fw"></i></span>
 
@@ -418,14 +418,14 @@
                     var message = "{{ 'common.delete'|trans }}";
                     var content;
                     content = ' <div class="row" id="media_container_'+data.id+'">\n' +
-                    '                <div class=""col-4">\n' +
+                    '                <div class="col-4">\n' +
                     '                    <img src="'+data.preview_url+'" style="width:100%;max-width:200px;" id="media_preview_'+data.id+'"/>\n' +
                     '                </div>\n' +
-                    '                <div class=""col-6">\n' +
+                    '                <div class="col-6">\n' +
                     '                    <textarea name="media_description_'+data.id+'" class="form-control"></textarea>\n' +
                     '                </div>\n' +
                     '                <input type="hidden" name="media_id_'+data.id+'" value="'+data.id+'"/>\n' +
-                    '                <div class=""col-2">\n' +
+                    '                <div class="col-2">\n' +
                     '                        <button type="button" class="btn btn-danger delete_media" data-id="'+data.id+'">\n' +
                     '                          <i class="glyphicon glyphicon-trash"></i>\n' +
                     '                          <span>'+message+'</span>\n' +
diff --git a/templates/fediplan/scheduled.html.twig b/templates/fediplan/scheduled.html.twig
index 0c7a6d0..4c73b1c 100644
--- a/templates/fediplan/scheduled.html.twig
+++ b/templates/fediplan/scheduled.html.twig
@@ -9,11 +9,11 @@
 
 
     <div class="row container">
-        <div class=""col-12" id="content"></div>
+        <div class="col-12" id="content"></div>
     </div>
     <div class="row container hide" id="loader" style="text-align: center;margin-top: 50px;"><div class="lds-ring"><div></div><div></div><div></div><div></div></div></div>
     <div class="row hide" id="no_content" style="margin-top: 50px;">
-        <div class=""col-offset-3 col-md-6">
+        <div class="col-offset-3 col-md-6">
             <div class="alert alert-warning"  style="font-size: 1.5em;text-align: center;">{{ 'common.no_results_found'|trans }}</div>
         </div>
     </div>