Changing the Visual Composer CSS path to prevent https errors

Question

My WordPress website (built by a sloppy contractor - they won't be able to fix it) has an absolute path to one of the CSS files. As a result, the visitors get warnings (and with some settings unable to load) when visiting the https pages.

Here is the fragment, the culprit is the last line:

<link rel='stylesheet' id='gt3_theme-css'  href='https://mywebsite/wp-content/themes/mytheme/css/theme.css?ver=4.8.7' type='text/css' media='all' />
<link rel='stylesheet' id='gt3_custom-css'  href='https://mywebsite/wp-content/uploads/custom.css?ver=4.8.7' type='text/css' media='all' />
<link rel='stylesheet' id='AllFonts-css'  href='//fonts.googleapis.com/css?family=Roboto%3A400%2C300%2C300italic%2C400italic%2C500%2C700%2C900&#038;ver=4.8.7' type='text/css' media='all' />
<link rel='stylesheet' id='bsf-Defaults-css'  href='http://mywebsite/wp-content/uploads/smile_fonts/Defaults/Defaults.css?ver=4.8.7' type='text/css' media='all' />

I tried looking through the manual code (PHP, other CSS files) but it's not there.

I tried googling "bsf-Defaults-css" and found references to WPBakery, but going to the plugins yielded no results.

Any idea where it came from and how I change it?

Answer 1

OK, I found the way.

Looks like it was coming from the default path to the WordPress installation. To fix it, modify the WordPress Settings, specifically WordPress Address (URL) with the https prefix. No need to modify the website address.

It's dumb but it works.