- <div class="panel panel-default">
- <div class="panel-heading clearfix">
- <h4 style="display: inline;">Lab Hosts</h4>
- <p style="display: inline; margin-left: 10px;"></p>
- <a data-toggle="collapse" data-target="#lab_hosts_panel" class="btn pull-right" style="line-height: 1;" >Expand</a>
+ <div class="card my-2">
+ <div class="card-header d-flex">
+ <h4>Lab Hosts</h4>
+ <button data-toggle="collapse" data-target="#lab_hosts_panel" class="btn btn-outline-secondary ml-auto">Expand</button>