<!-- 
Image Checkbox Bootstrap template for multiple image selection
https://www.prepbootstrap.com/bootstrap-template/image-checkbox
-->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css">
<div class="container">
  <h3>Bootstrap image checkbox(multiple)</h3>
  <div class="col-xs-4 col-sm-3 col-md-2 nopad text-center">
    <label class="image-checkbox">
      <img class="img-responsive" src="https://dummyimage.com/600x400/000/fff" />
      <input type="checkbox" name="image[]" value="" />
      <i class="fa fa-check hidden"></i>
    </label>
  </div>
  <div class="col-xs-4 col-sm-3 col-md-2 nopad text-center">
    <label class="image-checkbox">
      <img class="img-responsive" src="https://dummyimage.com/600x400/000/fff" />
      <input type="checkbox" name="image[]" value="" />
      <i class="fa fa-check hidden"></i>
    </label>
  </div>
  <div class="col-xs-4 col-sm-3 col-md-2 nopad text-center">
    <label class="image-checkbox">
      <img class="img-responsive" src="https://dummyimage.com/600x400/000/fff" />
      <input type="checkbox" name="image[]" value="" />
      <i class="fa fa-check hidden"></i>
    </label>
  </div>
  <div class="col-xs-4 col-sm-3 col-md-2 nopad text-center">
    <label class="image-checkbox">
      <img class="img-responsive" src="https://dummyimage.com/600x400/000/fff" />
      <input type="checkbox" name="image[]" value="" />
      <i class="fa fa-check hidden"></i>
    </label>
  </div>
  <div class="col-xs-4 col-sm-3 col-md-2 nopad text-center">
    <label class="image-checkbox">
      <img class="img-responsive" src="https://dummyimage.com/600x400/000/fff" />
      <input type="checkbox" name="image[]" value="" />
      <i class="fa fa-check hidden"></i>
    </label>
  </div>

</div>

.nopad {
	padding-left: 0 !important;
	padding-right: 0 !important;
}
/*image gallery*/
.image-checkbox {
	cursor: pointer;
	box-sizing: border-box;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	border: 4px solid transparent;
	margin-bottom: 0;
	outline: 0;
}
.image-checkbox input[type="checkbox"] {
	display: none;
}

.image-checkbox-checked {
	border-color: #4783B0;
}
.image-checkbox .fa {
  position: absolute;
  color: #4A79A3;
  background-color: #fff;
  padding: 10px;
  top: 0;
  right: 0;
}
.image-checkbox-checked .fa {
  display: block !important;
}

// image gallery
// init the state from the input
$(".image-checkbox").each(function () {
  if ($(this).find('input[type="checkbox"]').first().attr("checked")) {
    $(this).addClass('image-checkbox-checked');
  }
  else {
    $(this).removeClass('image-checkbox-checked');
  }
});

// sync the state to the input
$(".image-checkbox").on("click", function (e) {
  $(this).toggleClass('image-checkbox-checked');
  var $checkbox = $(this).find('input[type="checkbox"]');
  $checkbox.prop("checked",!$checkbox.prop("checked"))

  e.preventDefault();
});