.panel {
  @include box-shadow(0 0 3px rgba(0,0,0,.2));
  border-width: 0;
  .panel-heading {
    border-bottom: 4px solid transparent;
  }
}

.panel-primary {
  @include panel-variant(transparent, $panel-primary-text, $brand-primary, darken($brand-primary, 20%));
}