.iframe-form-preferencial {
    width: 100%;
    height: 28rem;
    border: none;
}

@media (max-width:891px) {
    .iframe-form-preferencial {
        height: 38rem;
    }
}
@media (max-width:630px) {
    .iframe-form-preferencial {
        height: 50rem;
    }
}
h1 {
    text-align: center;
    color: #0b2739;
    padding-bottom: 30px;
  }