Customizer Wordpress

<?php
/*
 * Register colors and layout for the Theme Customizer.
*/ 

function pepper_customize_register($wp_customize) { 

function pepper_sanitize_text( $input ) {
	return $input;
}

function pepper_sanitize_checkbox( $checked ) {
		// Boolean check.
		return ( ( isset( $checked ) && true == $checked ) ? true : false );
}

$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';

//Layout Options
	$wp_customize->add_section('layout_option',array(
			'title'	=> __('Layout Option','pepper'),			
			'priority'	=> 2,
	));	 
	
	$wp_customize->add_setting('box_layout',array(
			'sanitize_callback' => 'pepper_sanitize_checkbox',
	));	 

	$wp_customize->add_control( 'box_layout', array(
    	   'section'   => 'layout_option',    	 
		   'label'	=> __('Check to Box Layout','pepper'),
    	   'type'      => 'checkbox'
     )); //Layout Section 
	class pepper_Support extends WP_Customize_Control {
		public function render_content() {
			printf(
				__( 'Hello, Please contact if any changes needed %1$sTekardia%2$s.', 'pepper' ),
				'<a target="_blank" href="http://www.tekardia.com/contact/">',
				'</a>'
			);
		}
	}  

	$wp_customize->add_setting('color_scheme',array(
			'default'	=> '#02adf4',
			'sanitize_callback'	=> 'sanitize_hex_color'
	));
	
	$wp_customize->add_control(
		new WP_Customize_Color_Control($wp_customize,'color_scheme',array(
			'label' => __('Color Scheme','unifield'),			
			// 'description'	=> __('More color options in PRO Version','pepper'),
			'section' => 'colors',
			'settings' => 'color_scheme'
		))
	);
	
	$wp_customize->get_section( 'header_image' )->panel = 'pepper_header';
	$wp_customize->get_section( 'header_image' )->title = 'Background';
	$wp_customize->get_section( 'header_image' )->priority = 5;

	$wp_customize->add_section('developer_section', array( 
		'title' => __('Who We Are?', 'pepper'),
		'priority' => 1,
	));

	$wp_customize->add_section('pepper_header_text', array(
		'priority' => 10,
		'title' => __('Header Text', 'pepper'), 
	)); 

	$wp_customize->add_section('pepper_footer_text', array(
		'priority' => 10,
		'title' => __('Footer Text', 'pepper'), 
	)); 
 
 
	$wp_customize->add_setting( 'developer_section_main', array(
		'sanitize_callback' => 'pepper_sanitize_text'
	));

	$wp_customize->add_control( new pepper_Support( $wp_customize, 'developer_section_main', array(
		'section' => 'developer_section',
	)));

	$wp_customize->add_setting('pepper_header_title', array(
		'default' => __('We are the best!', 'pepper'),
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_text_field'
	));

	$wp_customize->add_control('pepper_header_title', array(
		'label' => __('Topbar Text', 'pepper'),
		'section' => 'pepper_header_text',
		'priority' => 5,
		'settings' => 'pepper_header_title'
	));

	$wp_customize->add_setting('pepper_header_phone', array(
		'default' => __('+91 95975 42751', 'pepper'),
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_text_field'
	));

	$wp_customize->add_control('pepper_header_phone', array(
		'label' => __('Phone Number', 'pepper'),
		'section' => 'pepper_header_text',
		'priority' => 10,
		'settings' => 'pepper_header_phone'
	));

	$wp_customize->add_setting('pepper_header_email', array(
		'default' => __('[email protected]', 'pepper'),
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_text_field'
	));

	$wp_customize->add_control('pepper_header_email', array(
		'label' => __('Email Address', 'pepper'),
		'section' => 'pepper_header_text',
		'priority' => 10,
		'settings' => 'pepper_header_email'
	)); 

	$wp_customize->add_setting('pepper_footer_left', array(
		'default' => __('2017 Blank Corp. All rights reserved.', 'pepper'),
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_text_field'
	));

	$wp_customize->add_control('pepper_footer_left', array(
		'label' => __('Email Address', 'pepper'),
		'section' => 'pepper_footer_text',
		'priority' => 10,
		'settings' => 'pepper_footer_left'
	)); 


// Calls-to-action Section
$wp_customize->add_section( 'cta' , array(
	'title'    => esc_html__( 'Call to Action ', 'pepper' ),
	'priority' => 70,
) ); 

$wp_customize->add_setting('callto_action_home', array(
		'default' => __('Hi, this is call to action in home page', 'pepper'),
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_text_field'
	));

	$wp_customize->add_control('callto_action_home', array(
		'label' => __('Callto Actions goes here', 'pepper'),
		'section' => 'cta',
		'priority' => 10,
		'settings' => 'callto_action_home'
	)); 

	$wp_customize->add_section('social_sec',array(
			'title'	=> __('Social Settings','pepper'),
			'description' => __( 'Add social icons link here. more social icons available in PRO Version', 'pepper' ),			
			'priority'		=> null
	));
	$wp_customize->add_setting('fb_link',array(
			'default'	=> null,
			'sanitize_callback'	=> 'esc_url_raw'	
	));
	
	$wp_customize->add_control('fb_link',array(
			'label'	=> __('Add facebook link here','pepper'),
			'section'	=> 'social_sec',
			'setting'	=> 'fb_link'
	));	
	$wp_customize->add_setting('twitt_link',array(
			'default'	=> null,
			'sanitize_callback'	=> 'esc_url_raw'
	));
	
	$wp_customize->add_control('twitt_link',array(
			'label'	=> __('Add twitter link here','pepper'),
			'section'	=> 'social_sec',
			'setting'	=> 'twitt_link'
	));
	$wp_customize->add_setting('gplus_link',array(
			'default'	=> null,
			'sanitize_callback'	=> 'esc_url_raw'
	));
	$wp_customize->add_control('gplus_link',array(
			'label'	=> __('Add google plus link here','pepper'),
			'section'	=> 'social_sec',
			'setting'	=> 'gplus_link'
	));
	$wp_customize->add_setting('linked_link',array(
			'default'	=> null,
			'sanitize_callback'	=> 'esc_url_raw'
	));
	$wp_customize->add_control('linked_link',array(
			'label'	=> __('Add linkedin link here','pepper'),
			'section'	=> 'social_sec',
			'setting'	=> 'linked_link'
	));
	
	$wp_customize->add_setting('disabled_social',array(
				'default' => true,
				'sanitize_callback' => 'pepper_sanitize_checkbox',
				'capability' => 'edit_theme_options',
	));	 
	
	$wp_customize->add_control( 'disabled_social', array(
			   'settings' => 'disabled_social',
			   'section'   => 'social_sec',
			   'label'     => __('Uncheck To Enable This Section','pepper'),
			   'type'      => 'checkbox'
	 ));//Disable Slider Section   
}
add_action('customize_register', 'pepper_customize_register'); 


function pepper_custom_css(){
		?>
        	<style type="text/css"> 					
					a, .blog_lists h2 a:hover,
					#sidebar ul li a:hover,									
					.blog_lists h3 a:hover,
					.cols-4 ul li a:hover, .cols-4 ul li.current_page_item a,
					.recent-post h6:hover,					
					.fourbox:hover h3,
					.footer-icons a:hover,
					.sitenav ul li a:hover, .sitenav ul li.current_page_item a, 
					.postmeta a:hover,
					.pagebutton:hover
					{ color:<?php echo esc_html( get_theme_mod('color_scheme','#444')); ?>;}
					 
					
					.pagination ul li .current, .pagination ul li a:hover, 
					#commentform input#submit:hover,					
					.nivo-controlNav a.active,
					.ReadMore,
					.slide_info .slide_more,
					.appbutton:hover,					
					h3.widget-title,						
					#sidebar .search-form input.search-submit,				
					.wpcf7 input[type='submit'],
					#featureswrap			
					{ background-color:<?php echo esc_html( get_theme_mod('color_scheme','#02adf4')); ?>;}	 
					
			</style> 
<?php 
}
         
add_action('wp_head','pepper_custom_css');	 

/**
 * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
 */
function unifield_customize_preview_js() {
	wp_enqueue_script( 'unifield_customizer', get_template_directory_uri() . '/js/customize-preview.js', array( 'customize-preview' ), '20161014', true );
}
add_action( 'customize_preview_init', 'unifield_customize_preview_js' );

?>