freeCodeCamp/client/less/toastr.less

.notification-bar {
  z-index: 999999;
  overflow: hidden;
  // margin: 0 0 6px;
  padding: 2rem;
}

.notification-bar-message {
  padding-right: 2rem;
}

.notification-bar-action > a {
  &:hover {
    color: #007c00;
  }
}