body{margin:50px;}
     #accordion .glyphicon { margin-right:10px; }
     .panel-collapse>.list-group .list-group-item:first-child {border-top-right-radius: 0;border-top-left-radius: 0;}
     .panel-collapse>.list-group .list-group-item {border-width: 1px 0;}
     .panel-collapse>.list-group {margin-bottom: 0;}
     .panel-collapse .list-group-item {border-radius:0;}

     .panel-collapse .list-group .list-group {margin: 0;margin-top: 10px;}
     .panel-collapse .list-group-item li.list-group-item {margin: 0 -15px;border-top: 1px solid #ddd !important;border-bottom: 0;padding-left: 30px;}
     .panel-collapse .list-group-item li.list-group-item:last-child {padding-bottom: 0;}

     .panel-collapse div.list-group div.list-group{margin: 0;}
     .panel-collapse div.list-group .list-group a.list-group-item {border-top: 1px solid #ddd !important;border-bottom: 0;padding-left: 30px;}
     .panel-collapse .list-group-item li.list-group-item {border-top: 1px solid #DDD !important;}