Codes for Modal Dialog Box

The HTML Code

<button id="myBtn" onclick="openModal()">Open Modal</button>

<!-- The Modal -->
<div id="myModal" class="modal">

  <!-- Modal content -->
  <div class="modal-content">
    <span class="close" onclick="closeModal()">&times;</span>
    <p>Example of modal popup dialog box!</p>
    <img src="https://upload.wikimedia.org/wikipedia/commons/8/86/FSK-HJK-logo.gif">
    <p>You can put anything within this div that you want it to appear in the modal dialog box!</p>
  </div>

</div>



The CSS Code

/* The Modal (background) */

.modal {
    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 Content/Box */
.modal-content {
    background-color: #fefefe;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 1px solid #888;
    width: 80%; /* Could be more or less, depending on screen size */
}

/* The Close Button */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover, .close:focus
{
    color: black;
    text-decoration: none;
    cursor: pointer;
}


The JavaScript Code

<script>

// When the user clicks on the button, open the modal
function openModal(){
    // Get the modal
    var modal = document.getElementById('myModal');
    modal.style.display = "block";
}

function closeModal(){
   var modal = document.getElementById('myModal');
   modal.style.display = "none";
}

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
   
    var modal = document.getElementById('myModal');
    if (event.target == modal) {
        modal.style.display = "none";
    }
}
</script>

Modal Dialog Box

X

Example of modal popup dialog box!

You can put anything within this div that you want it to appear in the modal dialog box!