// Panels
@mixin panel-variant(
  $border,
  $heading-text-color,
  $heading-bg-color,
  $heading-border
) {
  border-color: $border;

  & > .panel-heading {
    color: $heading-text-color;
    background-color: $heading-bg-color;
    border-color: $heading-border;

    + .panel-collapse > .panel-body {
      border-top-color: $border;
    }

    .badge {
      color: $heading-bg-color;
      background-color: $heading-text-color;
    }
  }

  & > .panel-footer {
    + .panel-collapse > .panel-body {
      border-bottom-color: $border;
    }
  }
}