@media (max-width: 1200px) {
  .navbar-header {
      float: none;
  }
  .navbar-left,.navbar-right {
      float: none !important;
  }
  .navbar-toggle {
      display: block;
  }
  .navbar-collapse {
      border-top: 1px solid transparent;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
  }
  .navbar-fixed-top {
      top: 0;
      border-width: 0 0 1px;
  }
  .navbar-collapse.collapse {
      display: none!important;
  }
  .navbar-nav {
      float: none!important;
      margin-top: 7.5px;
  }
  .navbar-nav>li {
      float: none;
  }
  .navbar-nav>li>a {
      padding-top: 10px;
      padding-bottom: 10px;
  }
  .collapse.in{
      display:block !important;
  }
}

@media (max-width:780px) {
  .ui-dialog {
    z-index:10001;
    top: 0.2em; left: 0.2em; right: 0.2em; bottom: 0.2em;
    margin: auto;
    position: fixed;
    max-width: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .ui-dialog .ui-dialog-content {
      flex: 1;
  }
  .ui-dialog .ui-dialog-buttonpane {
      background:white;
  }
}