Twenty Fourteen: let authors customize the green "accent" color by changing to a different hex value in the Customizer. Props celloexpressions.
Also add an ID attribute to all `style` elements. See #25220. Built from https://develop.svn.wordpress.org/trunk@25418 git-svn-id: http://core.svn.wordpress.org/trunk@25343 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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Lance Willett
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77614b547f
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@ -10,19 +10,206 @@
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* Add postMessage support for site title and description for the Theme Customizer.
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*
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* @param WP_Customize_Manager $wp_customize Theme Customizer object.
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*
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*/
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function twentyfourteen_customize_register( $wp_customize ) {
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$wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
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$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
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$wp_customize->add_setting( 'accent_color', array(
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'default' => '#24890d',
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'sanitize_callback' => 'twentyfourteen_generate_accent_colors',
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) );
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$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'accent_color', array(
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'label' => __( 'Accent Color', 'twentyfourteen' ),
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'section' => 'colors',
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'settings' => 'accent_color',
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) ) );
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}
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add_action( 'customize_register', 'twentyfourteen_customize_register' );
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/**
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* Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
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*
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*/
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function twentyfourteen_customize_preview_js() {
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wp_enqueue_script( 'twentyfourteen_customizer', get_template_directory_uri() . '/js/customizer.js', array( 'customize-preview' ), '20120827', true );
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}
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add_action( 'customize_preview_init', 'twentyfourteen_customize_preview_js' );
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/**
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* Generates two variants of the accent color, returns the original, and saves the others as theme mods.
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*
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* @param string $color The original color.
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* @return string $color The original color, sanitized.
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*/
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function twentyfourteen_generate_accent_colors( $color ) {
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$color = sanitize_hex_color( $color );
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set_theme_mod( 'accent_lighter', twentyfourteen_adjust_color( $color, 14 ) );
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set_theme_mod( 'accent_much_lighter', twentyfourteen_adjust_color( $color, 71 ) );
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return $color;
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}
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/**
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* Tweaks the brightness of a color by adjusting the RGB values by the given interval.
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*
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* Use positive values of $steps to brighten the color and negative values to darken the color.
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* All three RGB values are modified by the specified steps, within the range of 0-255. The hue
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* is generally maintained unless the number of steps causes one value to be capped at 0 or 255.
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*
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* @param string $color The original color, in 3- or 6-digit hexadecimal form.
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* @param int $steps The number of steps to adjust the color by, in rgb units.
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* @return string $color The new color, in 6-digit hexadecimal form.
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*/
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function twentyfourteen_adjust_color( $color, $steps ) {
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// Convert shorthand to full hex.
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if ( strlen( $color ) == 3 ) {
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$color = str_repeat( substr( $color, 1, 1 ), 2 ) . str_repeat( substr( $color, 2, 1 ), 2 ) . str_repeat( substr( $color, 3, 1), 2 );
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}
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// Convert hex to rgb.
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$rgb = array( hexdec( substr( $color, 1, 2 ) ), hexdec( substr( $color, 3, 2 ) ), hexdec( substr( $color, 5, 2 ) ) );
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// Adjust color and switch back to hex.
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$hex = '#';
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foreach ( $rgb as $c ) {
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$c += $steps;
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if ( $c > 255 )
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$c = 255;
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elseif ( $c < 0 )
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$c = 0;
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$hex .= str_pad( dechex( $c ), 2, '0', STR_PAD_LEFT);
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}
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return $hex;
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}
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/**
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* Outputs the css for the Theme Customizer options.
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*/
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function twentyfourteen_customizer_styles() {
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$accent_color = get_theme_mod( 'accent_color' );
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// Don't do anything if the current color is the default.
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if ( '#24890d' === $accent_color )
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return;
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$accent_lighter = get_theme_mod( 'accent_lighter' );
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$accent_much_lighter = get_theme_mod( 'accent_much_lighter' );
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$css = '<style type="text/css" id="twentyfourteen-accent-color">
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/* Custom accent color. */
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h1 a:hover,
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h2 a:hover,
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h3 a:hover,
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h4 a:hover,
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h5 a:hover,
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h6 a:hover,
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a,
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.primary-navigation ul ul a:hover,
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.entry-title a:hover,
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.cat-links a:hover,
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.site-content .post-navigation a:hover,
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.site-content .image-navigation a:hover,
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.comment-author a:hover,
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.comment-metadata a:hover,
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.comment-list .trackback a:hover,
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.comment-list .pingback a:hover,
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.content-sidebar a:hover,
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.paging-navigation .page-numbers.current {
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color: ' . $accent_color . ';
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}
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button:hover,
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html input[type="button"]:hover,
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input[type="reset"]:hover,
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input[type="submit"]:hover,
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button:focus,
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html input[type="button"]:focus,
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input[type="reset"]:focus,
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input[type="submit"]:focus,
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.header-extra,
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.search-toggle,
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.bypostauthor .avatar,
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.widget-area button,
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.widget-area html input[type="button"],
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.widget-area input[type="reset"],
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.widget-area input[type="submit"],
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.widget_calendar a,
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.content-sidebar button:hover,
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.content-sidebar html input[type="button"]:hover,
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.content-sidebar input[type="reset"]:hover,
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.content-sidebar input[type="submit"]:hover,
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.content-sidebar button:focus,
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.content-sidebar html input[type="button"]:focus,
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.content-sidebar input[type="reset"]:focus,
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.content-sidebar input[type="submit"]:focus,
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.page-links a:hover {
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background-color: ' . $accent_color . ';
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}
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::-moz-selection {
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background: ' . $accent_color . ';
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}
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::selection {
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background: ' . $accent_color . ';
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}
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.page-links a:hover,
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.paging-navigation .page-numbers.current {
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border-color: ' . $accent_color . ';
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}
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/* Generated variant of custom accent color: slightly lighter. */
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.search-toggle:hover,
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.search-toggle.active,
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.search-box,
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.widget-area button:hover,
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.widget-area html input[type="button"]:hover,
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.widget-area input[type="reset"]:hover,
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.widget-area input[type="submit"]:hover,
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.widget-area button:focus,
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.widget-area html input[type="button"]:focus,
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.widget-area input[type="reset"]:focus,
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.widget-area input[type="submit"]:focus,
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.widget-area button:active,
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.widget-area html input[type="button"]:active,
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.widget-area input[type="reset"]:active,
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.widget-area input[type="submit"]:active,
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.widget_calendar a:hover {
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background-color: ' . $accent_lighter . ';
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}
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/* Generated variant of custom accent color: much lighter. */
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button:active,
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html input[type="button"]:active,
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input[type="reset"]:active,
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input[type="submit"]:active,
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.content-sidebar button:active,
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.content-sidebar html input[type="button"]:active,
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.content-sidebar input[type="reset"]:active,
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.content-sidebar input[type="submit"]:active {
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background-color: ' . $accent_much_lighter . ';
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}
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a:hover,
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a:focus,
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a:active,
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.primary-navigation li.current_page_item > a,
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.primary-navigation li.current-menu-item > a,
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.secondary-navigation a:hover,
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#secondary .current_page_item > a,
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#secondary .current-menu-item > a,
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#featured-content .entry-meta a:hover,
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#featured-content .entry-title a:hover,
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#featured-content .more-link,
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.widget-area a:hover {
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color: ' . $accent_much_lighter . ';
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}
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</style>';
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wp_add_inline_style( 'twentyfourteen-style', $css );
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}
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add_action( 'wp_enqueue_scripts', 'twentyfourteen_customizer_styles' );
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