People need to read their browser consoles:
VM119 jquery.min.js:4 Mixed Content: The page at 'https://codepen.io/Cynth-44/pen/yXMqEL/' was loaded over HTTPS, but requested an insecure script 'http://api.forismatic.com/api/1.0/?jsonp=jQuery311004526958968425032_1500435804621&method=getQuote&lang=en&format=jsonp&_=1500435804622'. This request has been blocked; the content must be served over HTTPS.
Codepen requires https. Change your url to: