/* ——————————————————————— add this code to your theme’s stylesheet normally stylesheet.css.liquid under assets in theme editor ——————————————————————— */ div.size-popup .pop-btn { background: #dadada; width: 150px; height: 40px; line-height: 40px; text-align: center; color: #3c3c3c; margin: 200px auto; border-radius: 5px; border: 1px solid #3c3c3c; cursor: pointer; } div.size-popup .pop-btn:hover { color: #064B58; } div.size-popup .pop-up { display: none; height: auto; width: 50%; margin: 40px auto; background: #fff; position: absolute; z-index: 1; border-radius: 5px; box-shadow: 0 0 20px #000; top: 20%; left: 25%; } div.size-popup span { border-radius: 0 0 30px 30px; margin-left: 90%; background: #000; color: #fff; font-size: 20px; height: 10px; padding: 0 5px; cursor: pointer; } div.size-popup .pop-content { box-sizing: border-box; padding: 5px 20px 20px 20px; } div.size-popup .pop-content p { font-size: 1em; margin-bottom: 10px; }