div.wpcf7-response-output {
    margin: 2em 0.5em 1em;
    padding: 0.2em 1em;
    border: 2px solid #ff0000;
    color: #fff;
}

@media screen and (max-width:525px) {
  .fieldform {
    margin: 10px 0;
  }
  .wpcf7 form>div, .wpcf7 form>p {
    margin-bottom: 0px;
  }
}