/* Styles for the popup window and overlay */ .popup { display: none; /* Hidden by default */ position: fixed; z-index: 1; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgb(0,0,0); background-color: rgba(0,0,0,0.4); padding-top: 15%; } .popup-content { background-color: #fefefe; margin: 5% auto; padding: 20px; border: 1px solid #888; width: 80%; max-width: 600px; } .close-btn { color: #aaa; float: right; font-size: 28px; font-weight: bold; } .close-btn:hover, .close-btn:focus { color: black; text-decoration: none; cursor: pointer; } This soft fleece is everything and more that Corvette Racing fans desire. Large C8 flags on the front and the Corvette Racing logo going down the left sleeve. Style and Comfort all in one. 1x1 rib knit collar, cuffs and hem Side seamed 60/40 ring spun cotton/polyester Size Chart × HOW TO MEASURE WIDTH Measure the shirt from armpit to armpit on a flat surface. Men's Small Medium Large XL XXL XXXL Width (in) 20.5 22 23.5 25 26.5 28.5 Length (in) 28 29 30 31 32 32.5 Sleeve (in) 35.25 36 36.75 37.5 38.25 39 // Get the popup var popup = document.getElementById("popup"); // Get the button that opens the popup var btn = document.getElementById("popupBtn"); // Get the element that closes the popup var span = document.getElementsByClassName("close-btn")[0]; // When the user clicks the button, open the popup btn.onclick = function() { popup.style.display = "block"; } // When the user clicks on (x), close the popup span.onclick = function() { popup.style.display = "none"; } // When the user clicks anywhere outside of the popup, close it window.onclick = function(event) { if (event.target == popup) { popup.style.display = "none"; } }