In der functions.php wie folgt.
function florianfey_fonts_url() {
$fonts_url = '';
/* Translators: If there are characters in your language that are not
* supported by PT Sans or Raleway translate this to 'off'. Do not translate
* into your own language.
*/
$source_sans_pro = _x( 'on', 'Source Sans Pro font: on or off', 'florianfey' );
if ( 'off' !== $source_sans_pro) {
$font_families = array();
if ( 'off' !== $source_sans_pro )
$font_families[] = 'Source Sans Pro:300';
$query_args = array(
'family' => urlencode( implode( '|', $font_families ) ),
'subset' => urlencode( 'latin,latin-ext' ),
);
$fonts_url = add_query_arg( $query_args, "//fonts.googleapis.com/css" );
}
return $fonts_url;
}