For example, try resizing your content page...some of the content runs off the right side of the screen:

CSS needs to be re-written so it is fluid between breakpoints.

This issue was present in Google Chrome:

Using alternative syntax in this template will make your code more readable.

Please resolve all outstanding HTML validation issues.

The functions in your functions.php and extras.php file should all share the same "spring_" prefix.

Please provide helper text for all of your CFS fields to the Spring staff know exactly how to fill them in.

See this article: http://alistapart.com/article/training-the-cms

Please resolved outstanding CSS validation issues.

After the dropdown menu has been opened and closed in mobile view, if the page is resized to desktop the page names/links do not appear.

The JS written for the dropdown must somehow still be hiding the overall menu.

The link wrapping the logo does not appear to work.

Your page-home.php template should be named front-page.php.

When you pull strings, URLs, etc. from the database, be sure to wrap them in the appropriate escaping functions (esp. when using CFS->get()). Trust no one and nothing!

See this lesson from reference: https://red-wdp.herokuapp.com/lesson/wp-security-deployment-hosting/

Be sure to remove all commented-out code from your templates for next week.

You're using autoprefixer in your Sass compilation task in Gulp so there's not reason to manually autoprefix this mixin: @mixin box-shadows

Also, I'm guessing that you're actually going to need a custom post type for this (so users can view or link to individual events?). So that means that this shouldn't be an actual page, it should be an archive page.

I'm making an executive decision on this one because it's not great UX to force users to listen to a website if they don't want to...