.modal-header {
  justify-content: space-between;
  padding: 1rem 1rem;
  border-bottom: 1px solid #c4c4c6;
  border-top-left-radius: calc(.4rem - 1px);
  border-top-right-radius: calc(.4rem - 1px);
}  

.modal-title {
  margin-bottom: 0;
  line-height: 1.5;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    flex-shrink: 0;
    -webkit-box-align: center;
    align-items: center;
    -webkit-box-pack: end;
    justify-content: flex-end;
    padding: .75rem;
    border-top: 1px solid #c4c4c6;
    border-bottom-right-radius: calc(.4rem - 1px);
    border-bottom-left-radius: calc(.4rem - 1px);
}