modal-with-content.html

<!-- start style -->
<style type="text/css">
.alModal {
    width: 90%;
    max-width: 280px;
    height:auto;
    display: none;
    position: fixed;
    z-index: 100;
    font-family: sans-serif;
    background: rgb(255, 255, 255);
    border: 1px solid #fff;
    border-radius: 3px;
    opacity: 0;
    top: 100%;
    left: 50%;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.alModalContent {
    padding: 15px 22px;
}

.alModalClose {
    cursor: pointer;
    width: 26px;
    display: block;
    text-align: center;
    float: right;
    position: absolute;
    top: 3px;
    right: 3px;
    z-index: 101;
    color: #808080;
    font-size: 16px;
    height: 26px;
    line-height: 26px;
    font-family: sans-serif;
}
.alModalClose:hover {color:#ccc;}

.alModal p {
    position: relative;
    display: block;
    text-align: center;
    color: #444;
    margin: 0px;
    font-size: 16px;
    line-height: 1.3;
    padding: 0px 10px;
}

#overlay {
    z-index: 29;
    position: fixed;
    background-color: #000;
    opacity: 0.8;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    cursor: pointer;
    display: none;
}
</style>
<!-- end style -->


<!-- start html block -->

<!-- 
    навешиваем событие спомощью класса js_alModal
    в data-modalуказываем нашу модалку
-->

    <div class="js_alModal" data-modal='js_modal-2'>открыть text</div>
    
<!-- 
    не забываем overlay
-->

    <div id="overlay"></div>

    <div class="alModal js_modal-2">
        <span class="alModalClose js_alModalClose">✖</span>
        <div class="alModalContent">
            <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Provident cupiditate asperiores, dignissimos cum. Debitis laborum incidunt non repudiandae optio, vero odit quasi. Necessitatibus, perspiciatis tempora incidunt sint accusantium eveniet ullam.</p>
           
        </div>
    </div>
<!-- end html block -->
<!-- start script block -->
    <script type="text/javascript">
    jQuery(document).ready(function($) {
        function showModal(modalName){
            $('#overlay').fadeIn(500,
                function() {
                    var ModalLeft = ($(window).width() - $(modalName).outerWidth()) / 2;
                    var ModalTop = (window.innerHeight - $(modalName).outerHeight()) / 2;
                    setTimeout(function() {
                                $(modalName)
                            .css('display', 'block')
                            .animate({
                                    opacity: 1,
                                    left: ModalLeft + 'px',
                                    top: ModalTop + 'px'
                            }, 300);
                     }, 50)         
                });
        }

        $('.js_alModal').click(function(event) {
            event.preventDefault();
            var modalClass='.'+$(this).attr('data-modal');
            showModal(modalClass);
        })


        $('.js_alModalClose, #overlay').click(function() {
            $('.alModal').animate({opacity: 0}, 200,
                function() {
                    $(this).css({
                        'display': 'none',
                        'top': '100%',
                        'left': '50%'
                    });
                    $('#overlay').fadeOut(400);
                }
            );
        });

    });
    </script>
<!-- end script block -->