[accounts][templates] update column expansion over full grid

beat/web/accounts/templates/accounts/settings.html

@@ -501,11 +501,11 @@ You can remind them to revalidate their account before the expiration date or el
 {% if supervisors_pending|length > 0 or supervisiontracks_supervisors_valid|length > 0 %}
 <div class="row">
 
-  <div class="col-sm-6 col-sm-offset-1">
+  <div class="col-md-10 col-sm-offset-1">
 
     <div class="panel panel-default">
       <div class="panel-heading"><i class="fa fa-users"></i> Management of Supervisors
-      <a id="grant_access_inside" class="btn btn-success btn-sm" onclick="beat.accounts.new_supervisor_access('{% url "api_accounts:list_supervisor_candidates" %}', '{% url "api_accounts:update_supervisor_candidate" %}', '{{ request.user.username }}')"><i class="fa fa-plus fa-lg"></i> Grant access</a>
+      <a id="grant_access_inside" class="btn btn-success btn-sm col-sm-offset-9" onclick="beat.accounts.new_supervisor_access('{% url "api_accounts:list_supervisor_candidates" %}', '{% url "api_accounts:update_supervisor_candidate" %}', '{{ request.user.username }}')"><i class="fa fa-plus fa-lg"></i> Grant access</a>
       </div>
       <div class="panel-body">
         <form id="token" method="post" action="" class="form">
@@ -619,7 +619,7 @@ You can remind them to revalidate their account before the expiration date or el
 {% if supervisiontracks_pending|length > 0 or supervisiontracks_valid|length > 0 %}
 <div class="row">
 
-  <div class="col-sm-6 col-sm-offset-1">
+  <div class="col-sm-10 col-sm-offset-1">
 
     <div class="panel panel-default">
       <div class="panel-heading"><i class="fa fa-users"></i> Management of Supervisees