.panel{max-width:600px;margin-right:auto;margin-left:auto}.panel .panel-body .form-group-container{max-width:400px;margin:auto}.panel .panel-footer .btn{width:100%;max-width:300px}.panel .panel-footer .alert{margin:10px 0 0}.panel .panel-footer .btn-link{display:inline-block;margin:15px 0 0;padding:10px}@media screen and (min-width:768px){.panel .panel-footer .alert{margin:15px 0 0}}