After doing a few and simple css edits on a Big Commerce site, the search and cart icons suddenly disappeared. They are now displayed as strange characters. I went into the Big Commerce design backend and did not find anything strange into the code. When inspect the html and css code in the browser the icons are called properly:
<i class="fa fa-search"></i>
What could be wrong? Url to the site is Url template demo url is enter link description here
Any help is much appreciated, new to Big Commerce.