... or did I finally fixed this buggy blogger template (with the help of www.positioniseverything.net )? Hasn't been five years... It still refuses to validate, but at least it's not running in quirks mode anymore, and renders in IE the same way it does in Firefox. Fills my heart with joy. Happy birthday to me, too.
Quick help to those who have tried to find some help and failed (as I have so I have to write the code myself). Assuming that you have your virgin child theme configured and activated: here is a function which goes into the functions.php file (of your configured and activated child theme): function childtheme_twentyseventeen_fonts_url() { $replace_original_font = true; // unless you really like Libre Franklin if ($replace_original_font !== true) { $hyph = '-custom-'; } else { $hyph = '-'; }; $font_families = array( //add your Google fonts and weights (400 and 700 are defaults for normal and bold) here: 'Oswald:200,400,700', 'Lato:200,400,700', ); $query_args = array( 'family' => urlencode( implode( '|', $font_families ) ), 'subset' => urlencode( 'latin,latin-ext' ), ); $fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' ); wp_enqueue_style( 'twentyseventeen' ....