@media (min-width: 501px) {
  #wpforms-form-5358.wpforms-validate.wpforms-form.wpforms-ajax-form {
    text-align: center;
  }
  
  #wpforms-5358-field_4.wpforms-field-medium.wpforms-field-required,
  #wpforms-5358-field_5.wpforms-field-medium.wpforms-field-required,
  #wpforms-5358-field_6.wpforms-field-required,
  #wpforms-5358-field_7.wpforms-field-required {
    margin-left: 20%;
  }
}