openecomp-ui/resources/scss/bootstrap-cust/_modals.scss

.modal-content {
  .modal-header {
    border-top: 3px solid $blue;
    .modal-title {
      @extend .heading-2;
    }
  }

  .modal-body{
    padding: 15px;
  }

  .modal-footer {
    padding: 15px;
    border-top: 0;
    background-color: $tlv-gray;
  }
}