.panel-info > .panel-heading .btn.btn-info:not(:hover) {
  background-color: #000;
}

.panel-info > .panel-heading .btn.btn-info {
  background-color: #000;
}

.alert-warning {
  background-color: #e6e6e6;
  border-color: #e6e6e6;
  color: #fff;
}