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CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

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It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

     

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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

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HTML

            
              <!-- https://bootsnipp.com/snippets/featured/checked-list-group -->
<div class="container" style="margin-top:20px;">
	<div class="row">
        <div class="col-xs-6">
            <h3 class="text-center">Basic Example</h3>
            <div class="well" style="max-height: 300px;overflow: auto;">
        		<ul class="list-group checked-list-box">
                  <li class="list-group-item">Cras justo odio</li>
                  <li class="list-group-item" data-checked="true">Dapibus ac facilisis in</li>
                  <li class="list-group-item">Morbi leo risus</li>
                  <li class="list-group-item">Porta ac consectetur ac</li>
                  <li class="list-group-item">Vestibulum at eros</li>
                  <li class="list-group-item">Cras justo odio</li>
                  <li class="list-group-item">Dapibus ac facilisis in</li>
                  <li class="list-group-item">Morbi leo risus</li>
                  <li class="list-group-item">Porta ac consectetur ac</li>
                  <li class="list-group-item">Vestibulum at eros</li>
                </ul>
            </div>
        </div>
        <div class="col-xs-6">
            <h3 class="text-center">Colorful Example</h3>
            <div class="well" style="max-height: 300px;overflow: auto;">
            	<ul id="check-list-box" class="list-group checked-list-box">
                  <li class="list-group-item">Cras justo odio</li>
                  <li class="list-group-item" data-color="success">Dapibus ac facilisis in</li>
                  <li class="list-group-item" data-color="info">Morbi leo risus</li>
                  <li class="list-group-item" data-color="warning">Porta ac consectetur ac</li>
                  <li class="list-group-item" data-color="danger">Vestibulum at eros</li>
                </ul>
                <br />
                <button class="btn btn-primary col-xs-12" id="get-checked-data">Get Checked Data</button>
            </div>
            <pre id="display-json"></pre>
        </div>
	</div>
    <div class="row">
        <div class="col-xs-6">
            <h3 class="text-center">Using Button Style's</h3>
            <div class="well" style="max-height: 300px;overflow: auto;">
        		<ul class="list-group checked-list-box">
                  <li class="list-group-item" data-style="button">Cras justo odio</li>
                  <li class="list-group-item" data-style="button" data-color="success">Dapibus ac facilisis in</li>
                  <li class="list-group-item" data-style="button" data-color="info">Morbi leo risus</li>
                  <li class="list-group-item" data-style="button" data-color="warning">Porta ac consectetur ac</li>
                  <li class="list-group-item" data-style="button" data-color="danger">Vestibulum at eros</li>
                </ul>
            </div>
        </div>
        <div class="col-xs-6">
            <h3 class="text-center">Just a Small Party</h3>
            <div class="well" style="max-height: 300px;overflow: auto;">
            	<ul class="list-group checked-list-box">
                  <li class="list-group-item" data-style="button">Cras justo odio</li>
                  <li class="list-group-item" data-color="success">Dapibus ac facilisis in</li>
                  <li class="list-group-item" data-style="button" data-color="info">Morbi leo risus</li>
                  <li class="list-group-item" data-color="warning">Porta ac consectetur ac</li>
                  <li class="list-group-item" data-style="button" data-color="danger">Vestibulum at eros</li>
                </ul>
            </div>
        </div>
    </div>
</div>
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CSS

            
              /* CSS REQUIRED */
.state-icon {
    left: -5px;
}
.list-group-item-primary {
    color: rgb(255, 255, 255);
    background-color: rgb(66, 139, 202);
}

/* DEMO ONLY - REMOVES UNWANTED MARGIN */
.well .list-group {
    margin-bottom: 0px;
}
!

JS

            
              $(function () {
    $('.list-group.checked-list-box .list-group-item').each(function () {
        
        // Settings
        var $widget = $(this),
            $checkbox = $('<input type="checkbox" class="hidden" />'),
            color = ($widget.data('color') ? $widget.data('color') : "primary"),
            style = ($widget.data('style') == "button" ? "btn-" : "list-group-item-"),
            settings = {
                on: {
                    icon: 'glyphicon glyphicon-check'
                },
                off: {
                    icon: 'glyphicon glyphicon-unchecked'
                }
            };
            
        $widget.css('cursor', 'pointer')
        $widget.append($checkbox);

        // Event Handlers
        $widget.on('click', function () {
            $checkbox.prop('checked', !$checkbox.is(':checked'));
            $checkbox.triggerHandler('change');
            updateDisplay();
        });
        $checkbox.on('change', function () {
            updateDisplay();
        });
          

        // Actions
        function updateDisplay() {
            var isChecked = $checkbox.is(':checked');

            // Set the button's state
            $widget.data('state', (isChecked) ? "on" : "off");

            // Set the button's icon
            $widget.find('.state-icon')
                .removeClass()
                .addClass('state-icon ' + settings[$widget.data('state')].icon);

            // Update the button's color
            if (isChecked) {
                $widget.addClass(style + color + ' active');
            } else {
                $widget.removeClass(style + color + ' active');
            }
        }

        // Initialization
        function init() {
            
            if ($widget.data('checked') == true) {
                $checkbox.prop('checked', !$checkbox.is(':checked'));
            }
            
            updateDisplay();

            // Inject the icon if applicable
            if ($widget.find('.state-icon').length == 0) {
                $widget.prepend('<span class="state-icon ' + settings[$widget.data('state')].icon + '"></span>');
            }
        }
        init();
    });
    
    $('#get-checked-data').on('click', function(event) {
        event.preventDefault(); 
        var checkedItems = {}, counter = 0;
        $("#check-list-box li.active").each(function(idx, li) {
            checkedItems[counter] = $(li).text();
            counter++;
        });
        $('#display-json').html(JSON.stringify(checkedItems, null, '\t'));
    });
});
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