Use buttons and improve the format

bb-html-form.js

bootbox.dialog({
    title: "This is a form in a modal.",
    message: '<div class="row">  ' +
      '<div class="col-md-12"> ' +
      '<form class="form-horizontal"> ' +
      '<div class="form-group"> ' +
      '<label class="col-md-4 control-label" for="name">Name</label> ' +
      '<div class="col-md-4"> ' +
      '<input id="name" name="name" type="text" placeholder="Your name" class="form-control input-md"> ' +
      '<span class="help-block">Here goes your name</span> </div> ' +
      '</div> ' +
      '<div class="form-group"> ' +
      '<label class="col-md-4 control-label" for="awesomeness">How awesome is this?</label> ' +
      '<div class="col-md-4"> <div class="radio"> <label for="awesomeness-0"> ' +
      '<input type="radio" name="awesomeness" id="awesomeness-0" value="Really awesome" checked="checked"> ' +
      'Really awesome </label> ' +
      '</div><div class="radio"> <label for="awesomeness-1"> ' +
      '<input type="radio" name="awesomeness" id="awesomeness-1" value="Super awesome"> Super awesome </label> ' +
      '</div> ' +
      '</div> </div>' +
      '</form> </div>  </div>',
    buttons: [
      {
        key: 'success',
        label: "Save",
        className: "btn-success",
        callback: function () {
          var name = $('#name').val();
          var answer = $("input[name='awesomeness']:checked").val()
          Example.show("Hello " + name + ". You've chosen <b>" + answer + "</b>");
        }
      }
    ]
  }
);