.form-check {
  .form-check-sign {
    .check {
      border-color: $checkbox-border-color;
    }

    &:before {
      left: -1px;
      top: -1px;
    }
  }

  .form-check-input[disabled] ~ .form-check-sign .check {
    border-color: $checkbox-border-color;
  }

  .form-check-input:checked + .form-check-sign .check {
    border-color: $checkbox-active-border-color;
    background: $checkbox-active-sign-color;

    &:before {
      color: $card-color;
    }
  }
}