Lessons learned in developing some useful things.
Keep looking, Don't settle.
<!DOCTYPE html> <head> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script> </head> <body> <form> <div class="custom-control custom-checkbox"> <input type="checkbox" class="custom-control-input" id="customCheck" name="exampleCheckbox"> <label class="custom-control-label" for="customCheck">Fancy checkbox</label> </div> <button type="submit" class="btn btn-primary">저장</button> </form> </body> </html>