Moved allow_css only when needed

Author: [email protected]

src/plugins/theme-block-style-inheritance/index.php

@@ -21,8 +21,6 @@ function __construct() {
 
 			add_action( 'body_class', array( $this, 'add_body_class_block_style_inheritance' ) );
 			add_filter( 'stackable_block_style_inheritance_inline_styles_nodep', array( $this, 'add_block_style_inheritance' ) );
-
-			add_filter( 'safecss_filter_attr_allow_css', array( $this, 'allow_css' ), 10, 2 );
 		}
 
 		// Register the settings for block style inheritance
@@ -324,6 +322,9 @@ function add_block_style_inheritance( $current_css ) {
 				$styles[] = $declaration;
 			}
 
+			// Allow some CSS functions like color-mix() to be included in the generated CSS.
+			add_filter( 'safecss_filter_attr_allow_css', array( $this, 'allow_css' ), 10, 2 );
+
 			$generated_css = wp_style_engine_get_stylesheet_from_css_rules( $styles );
 			if ( $generated_css ) {
 				$generated_css = "/* Block style inheritance */\n" . $generated_css;