.group_list {
  list-style: none; }
  .group_list .group .group_name {
    clear: left;
    position: relative;
    border-top: 1px dotted #aaaaaa;
    padding-top: 5px;
    margin: 1em;
    margin-bottom: -2px; }
    .group_list .group .group_name .management {
      float: left;
      position: absolute;
      right: 0; }
    .group_list .group .group_name .name {
      font-size: 1.5em;
      padding-left: 20px;
      background: url(/images/group.png) no-repeat center left; }
  .group_list .group.teacher_group .name {
    background: url(/images/assignment.png) no-repeat center left; }
  .group_list .group .group_info {
    margin-top: -2px;
    padding-left: 3em; }
  .group_list .group .member_list {
    list-style: none;
    max-height: 150px;
    overflow: auto; }

.left_side a.assign_students_link {
  display: none; }