Contact Page Blank When Published

I designed this page but when I publish it, the page shows up blank in the browser on desktop and mobile. Any ideas how to fix this?

Here is my site Read-Only: [LINK][1]

@jreyes - your google tag manager script has a comment tag at the end that isn’t closed:

<!-- Google Tag Manager -->
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
<!-- End Google Tag Manager →

This is causing the entire page to be commented out, so change the arrow character () to this: -->