move code

Author: kaeizen

src/compatibility/blocksy/index.php

@@ -179,12 +179,14 @@ function( $file ) {
 					}
 				}
 			}
-		}
 
-		// sanitize styles from files
-		$styles_from_files = stackable_sanitize_css_string( $styles_from_files );
+			if ( $styles_from_files ) {
+				// sanitize styles from files
+				$styles_from_files = stackable_sanitize_css_string( $styles_from_files );
+				$styles .= $styles_from_files;
+			}
+		}
 
-		$styles .= $styles_from_files;
 		return $styles;
 	}