I wanted to use a Google Font for the headline from a Joomla website. For some reason, the Google font that I want to use, is not in the list of the Google fonts we can use. Is there any possible way...

Hi I have downloaded a Google Font to my laptop and installed this font on the laptop in System Fonts then used it in Themler by picking it from System Fonts. The website is question is...

When I try to change the font in the post the option goes grey and won't be change. I want to change Ariel to Bershire Swash, I cannot seem to do it,