'typography_font_family', 'font-size' => 'typography_font_size', 'font-weight' => 'typography_font_weight', 'font-style' => 'typography_font_style', 'text-decoration' => 'typography_text_decoration', 'line-height' => 'typography_line_height', 'letter-spacing' => 'typography_letter_spacing', 'word-spacing' => 'typography_word_spacing', 'text-transform' => 'typography_text_transform', ]; const RESPONSIVE_V3_PROPS = [ 'typography_font_size', 'typography_line_height', 'typography_letter_spacing', 'typography_word_spacing', ]; public static function get_css_props(): array { return array_keys( self::PROP_MAP ); } }