Modal com HTML e CSS

modal.js

<!-- Modal -->
<div id="myModal" class="mymodal">
  <!-- Modal content -->
  <div class="mymodal-content">
    <div class="mymodal-header">
      <h4>Título</h4>
    </div>
    <div class="mymodal-body">
      ...
    </div>
    <div class="mymodal-footer">
      <button class="button close">Fechar</button>
      <button class="button button-primary">OK</button>
    </div>
  </div>
</div>

<script src="{% static 'js/modal.js' %}"></script>

 {% endblock %}

File static/js/modal.js Added

// Get the modal
var modal = document.getElementById('myModal');

// Get the button that opens the modal
var btn = document.getElementById("myBtn");

// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];

// When the user clicks on the button, open the modal
btn.onclick = function() {
    modal.style.display = "block";
}

// When the user clicks on <span> (x), close the modal
span.onclick = function() {
    modal.style.display = "none";
}

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
    if (event.target == modal) {
        modal.style.display = "none";
    }
}


File static/sass/partials/_modal.scss Added

 /* The Modal (background) */

.mymodal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

 /* Modal Header */
.mymodal-header {
    border-bottom: 1px solid #e5e5e5;
}

/* Modal Body */
.mymodal-body {padding: 15px;}

/* Modal Footer */
.mymodal-footer {
    padding-top: 15px;
    border-top: 1px solid #e5e5e5;
    text-align: right;
}

/* Modal Content */
.mymodal-content {
    position: relative;
    background-color: #fefefe;
    margin: 1% auto;
    padding: 10px;
    border: 1px solid #888;
    border-radius: 6px;
    width: 40%;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
    -webkit-animation-name: animatetop;
    -webkit-animation-duration: 0.4s;
    animation-name: animatetop;
    animation-duration: 0.4s
}

/* Add Animation */
@-webkit-keyframes animatetop {
    from {top: -300px; opacity: 0}
    to {top: 0; opacity: 1}
}

@keyframes animatetop {
    from {top: -300px; opacity: 0}
    to {top: 0; opacity: 1}
}