<?php
add_action( 'customize_register', 'vinethemes_customize_register' );
function vinethemes_customize_register($wp_customize) {

	class Customize_Number_Control extends WP_Customize_Control {
		public $type = 'number';
	 
		public function render_content() {
			?>
			<label>
			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
			<input type="number" name="quantity" <?php $this->link(); ?> value="<?php echo esc_textarea( $this->value() ); ?>" style="width:70px;">
			</label>
			<?php
		}
	}
	
	class Customize_CustomCss_Control extends WP_Customize_Control {
		public $type = 'custom_css';
	 
		public function render_content() {
			?>
			<label>
			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
			<textarea style="width:100%; height:150px;" <?php $this->link(); ?>><?php echo $this->value(); ?></textarea>
			</label>
			<?php
		}
	}

}

if (class_exists('WP_Customize_Control')) {
    class WP_Customize_Category_Control extends WP_Customize_Control {
        /**
         * Render the control's content-area.
         *
         * @since 3.4.0
         */
        public function render_content() {
            $dropdown = wp_dropdown_categories(
                array(
                    'name'              => '_customize-dropdown-categories-' . $this->id,
                    'echo'              => 0,
                    'show_option_none'  => __( '&mdash; Select &mdash;', 'vinethemes' ),
                    'option_none_value' => '0',
                    'selected'          => $this->value(),
                )
            );
 
            // Hackily add in the data link parameter.
            $dropdown = str_replace( '<select', '<select ' . $this->get_link(), $dropdown );
 
            printf(
                '<label class="customize-control-select"><span class="customize-control-title">%s</span> %s</label>',
                $this->label,
                $dropdown
            );
        }
    }
}

?>