.dx-toast-success {
    background-color: #5cb85c !important;
  }
  .dx-toast-error {
    background-color: #d9534f !important;
  }
  .dx-toast-warning {
    background-color: #f0ad4e !important;
  }
  .dx-toast-info {
    background-color: #337ab7 !important;
  }