/* make sidebar nav vertical */
@media (min-width: 768px) {
  .sidebar-nav .navbar .navbar-collapse {
    padding: 0;
    max-height: none;
  }
  .sidebar-nav .navbar ul {
    float: none;
  }
  .sidebar-nav .navbar ul:not {
    display: block;
  }
  .sidebar-nav .navbar li {
    float: none;
    display: block;
  }
  .sidebar-nav .navbar li a {
    padding-top: 12px;
    padding-bottom: 12px;
  }
  body {
    margin-top: 70px;
  }
  .container {
    width: 100%;
  }
  .btn-contact-us {
    margin-top: 14px;
    margin-right: 23px;
  }
}