@media (max-width: 768px) {
  .content-header > .breadcrumb {
    position: initial;
    float: none;
    margin-top: 14px;
    padding: 0 5px; }

  .table-phienban .checkbox {
    width: inherit; }

  .navbar-custom-menu {
    display: inline-block;
    position: inherit;
    top: 0;
    width: 100%;
    background: #1e282c; }

  .navbar-na {
    float: right; }

  .main-header {
    text-align: center; }

  .logo {
    float: none; }

  .login-box, .register-box {
    margin: 7% auto;
    width: 90%; }

  .dropdown-menu {
    background: #fff none repeat scroll 0 0;
    border: 1px solid #ddd;
    left: auto;
    position: absolute;
    right: 5%; }

  .administrator-menu, .sites-menu, .quangtri-menu {
    position: static; } }