ng2-bootstrap-base-modified/demo/src/app/components/+accordion/demos/styling/styling.css

Native Angular Bootstrap Components Typeahead modified

.card.customClass,
.card.customClass .card-header,
.panel.customClass {
  background-color: #5bc0de;
  color: #fff;
}
.panel.customClass .panel-body {
  background-color: #337aa7;
}