Home page text is bold after placing code on another page. How to fix?

My homepage cluteinstitute.com is now all bold after I tried to upload the code, in the code block element, for a calendar at this website https://codepen.io/rachelandrew/pen/PNwaZe
I went to firefox and used the inspector tool and the code on my fusion-text div box is p strong strong my text strong strong p this is all in the div class = fusion-text but I did not place the two strongs there and I can not remove them on the page editor. However when i go to the page editor it is not bold. What did I do and how can I fix it? I have removed the code from the private page I am working on, cleared the cache on my site and cleared my table data.

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