.group-box {
  margin-bottom: 20px; }
  .group-box .group-box-header {
    color: #636363;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1em;
    border-bottom-color: #A3A3A3;
    border-bottom-style: solid;
    border-bottom-width: 1px; }
  .group-box .group-box-content {
    margin-top: 10px; }
  .group-box.expanded .group-box-content {
    display: block; }
  .group-box.collapsed .group-box-content {
    display: none; }