add_setting( 'container_width', array( 'default' => 1400, 'sanitize_callback' => 'absint', ) ); $wp_customize->add_control( 'container_width', array( 'type' => 'number', 'section' => 'ztfr_general', 'label' => esc_html__( 'Container Width', 'zeitfresser' ), 'description' => esc_html__( 'Maximum width of the content container in pixels.', 'zeitfresser' ), 'priority' => 22, 'input_attrs' => array( 'min' => 800, 'max' => 2000, 'step' => 10, ), ) ); } /** * Apply container width via CSS variable */ add_action( 'wp_head', 'zeitfresser_container_width_dynamic_css' ); function zeitfresser_container_width_dynamic_css() { $container_width = (int) get_theme_mod( 'container_width' ); if ( $container_width <= 0 ) { $container_width = 1400; } echo ''; }