DIRECTION The next line is the first that gets cut and pasted for test.html <!DOCTYPE html> <html> <meta charset="utf=8"> <head> <link rel="stylesheet" type="text/css" href="popdown.css"> <style type="style/css"> </style> <script src="EDIT THIS to point to URL of popdown.js"></script> <title>Test Serving Images</title> </head> <body> <div style="text-align: center;"> <h1>Testing an image server<br> </h1> </div> TO BE REMOVED This comment points out that the next few lines need to be within TO BE REMOVED the body of each page using the image server. <!-- The Modal --> <div id="myModal" class="modal"> <span class="close">×</span> <img class="modal-content" id="img01"> <div id="caption"> </div> </div> <a href='javascript:popdown("EDIT THIS to point to URL of image", "Title appearing below picture")'>Click-this-anchor-to-see-image</a> </body> </html> DIRECTION line above is the last to be cut and pasted for test.html DIRECTION line below is the first to be cut and pasted for popdown.css #myImg { border-radius: 5px; cursor: pointer; transition: 0.3s; } #myImg:hover {opacity: 0.7;} /* The Modal (background) */ .modal { display: none; /* Hidden by default */ position: fixed; /* Stay in place */ z-index: 1; /* Sit on top */ padding-top: 100px; /* Location of the box */ 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(0,0,0,0.9); /* Black w/ opacity */ } /* Modal Content (image) */ .modal-content { margin: auto; display: block; width: 80%; max-width: 700px; } /* Caption of Modal Image */ #caption { margin: auto; display: block; width: 80%; max-width: 700px; text-align: center; color: #ccc; padding: 10px 0; height: 150px; } /* Add Animation */ .modal-content, #caption { -webkit-animation-name: zoom; -webkit-animation-duration: 0.6s; animation-name: zoom; animation-duration: 0.6s; } @-webkit-keyframes zoom { from {-webkit-transform:scale(0)} to {-webkit-transform:scale(1)} } @keyframes zoom { from {transform:scale(0)} to {transform:scale(1)} } /* The Close Button */ .close { position: absolute; top: 15px; right: 35px; color: #f1f1f1; font-size: 40px; font-weight: bold; transition: 0.3s; } .close:hover, .close:focus { color: #bbb; text-decoration: none; cursor: pointer; } /* 100% Image Width on Smaller Screens */ @media only screen and (max-width: 700px){ .modal-content { width: 100%; } DIRECTION line above is the last to be cut and pasted for popdown.css DIRECTION line below is the first to be cut and pasted for popdown.js function popdown(image, ttext) { // Get the modal var modal = document.getElementById("myModal"); // Get the image and insert it inside the modal - use its "alt" text as a caption var img = image; var modalImg = document.getElementById("img01"); var captionText = document.getElementById("caption"); modal.style.display = "block"; modalImg.src = image; captionText.innerHTML=ttext; // Get the <span> element that closes the modal var span = document.getElementsByClassName("close")[0]; // When the user clicks on <span> (x), close the modal span.onclick = function() { modal.style.display = "none"; } } DIRECTION line above is the last to be cut and pasted for popdown.js