.bootstrap-checkbox-radio-wrapper {
  background-position: center right !important;
  background-repeat: no-repeat !important;
  background-size: 45px 30px !important;

  &.is-invalid {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23f73e5a' viewBox='0 0 384 512'%3E%3Cpath d='M231.6 256l130.1-130.1c4.7-4.7 4.7-12.3 0-17l-22.6-22.6c-4.7-4.7-12.3-4.7-17 0L192 216.4 61.9 86.3c-4.7-4.7-12.3-4.7-17 0l-22.6 22.6c-4.7 4.7-4.7 12.3 0 17L152.4 256 22.3 386.1c-4.7 4.7-4.7 12.3 0 17l22.6 22.6c4.7 4.7 12.3 4.7 17 0L192 295.6l130.1 130.1c4.7 4.7 12.3 4.7 17 0l22.6-22.6c4.7-4.7 4.7-12.3 0-17L231.6 256z'/%3E%3C/svg%3E");
  }

  .was-validated &:valid,
  &.just-validate-success-field {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2300cc85' viewBox='0 0 192 512'%3E%3Cpath d='M435.848 83.466L172.804 346.51l-96.652-96.652c-4.686-4.686-12.284-4.686-16.971 0l-28.284 28.284c-4.686 4.686-4.686 12.284 0 16.971l133.421 133.421c4.686 4.686 12.284 4.686 16.971 0l299.813-299.813c4.686-4.686 4.686-12.284 0-16.971l-28.284-28.284c-4.686-4.686-12.284-4.686-16.97 0z'/%3E%3C/svg%3E");
  }

  &.warning {
    border-color: $warning;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ff9900' viewBox='0 0 192 512'%3E%3Cpath d='M176 432c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80zM25.26 25.199l13.6 272C39.499 309.972 50.041 320 62.83 320h66.34c12.789 0 23.331-10.028 23.97-22.801l13.6-272C167.425 11.49 156.496 0 142.77 0H49.23C35.504 0 24.575 11.49 25.26 25.199z'/%3E%3C/svg%3E");
    background-size: 25px 45% !important;

    small,
    small.text-muted,
    small.form-feedback.just-validate-error-label {
      color: $warning !important;
    }
  }
}

.form-control[type='radio'] {
  &.is-invalid {
    + .form-check-label {
      &:before {
        border-color: $danger;
      }
    }
  }
}

.form-control[type='checkbox'] {
  &.is-invalid {
    + .form-check-label {
      &:after {
        border-color: $danger;
      }
    }
  }
}

.invalid-feedback {
  //nella versione vecchia di bootstrap-italia che usiamo (2.3.4) questa regola non c'è e serve.
  display: block;
}