[Theme Horse Support Team]

Hi filipa.martins,
Remove the above css and paste this current CSS

.wpcf7-validates-as-tel {
  padding: 10px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  width: 100%;
  margin: 0 0 30px;
  background-color: #f9f9f9;
}

select.wpcf7-form-control.wpcf7-select.wpcf7-validates-as-required {
  border: 1px solid rgba(0, 0, 0, 0.05);
  width: 100%;
  margin: 0 0 30px;
  background-color: #f9f9f9;
  height: 50px;
}

Thank you!