^^&&^^

Edit File: slider.php

<?php if ( ! defined( 'ABSPATH' ) ) { die; } // Cannot access directly.

/**

* Field: slider

* @since 1.0.0

* @version 1.0.0

if ( ! class_exists( 'CSF_Field_slider' ) ) {

class CSF_Field_slider extends CSF_Fields {

public function __construct( $field, $value = '', $unique = '', $where = '', $parent = '' ) {

parent::__construct( $field, $value, $unique, $where, $parent );

}

public function render() {

$args = wp_parse_args( $this->field, array(

'max'  => 100,

'min'  => 0,

'step' => 1,

'unit' => '',

) );

$is_unit = ( ! empty( $args['unit'] ) ) ? ' csf--is-unit' : '';

echo $this->field_before();

echo '<div class="csf--wrap">';

echo '<div class="csf-slider-ui"></div>';

echo '<div class="csf--input">';

echo '<input type="number" name="'. esc_attr( $this->field_name() ) .'" value="'. esc_attr( $this->value ) .'"'. $this->field_attributes( array( 'class' => 'csf-input-number'. esc_attr( $is_unit ) ) ) .' data-min="'. esc_attr( $args['min'] ) .'" data-max="'. esc_attr( $args['max'] ) .'" data-step="'. esc_attr( $args['step'] ) .'" step="any" />';

echo ( ! empty( $args['unit'] ) ) ? '<span class="csf--unit">'. esc_attr( $args['unit'] ) .'</span>' : '';

echo '</div>';

echo $this->field_after();

}

public function enqueue() {

if ( ! wp_script_is( 'jquery-ui-slider' ) ) {

wp_enqueue_script( 'jquery-ui-slider' );

}

public function output() {

$output    = '';

$elements  = ( is_array( $this->field['output'] ) ) ? $this->field['output'] : array_filter( (array) $this->field['output'] );

$important = ( ! empty( $this->field['output_important'] ) ) ? '!important' : '';

$mode      = ( ! empty( $this->field['output_mode'] ) ) ? $this->field['output_mode'] : 'width';

$unit      = ( ! empty( $this->field['unit'] ) ) ? $this->field['unit'] : 'px';

if ( ! empty( $elements ) && isset( $this->value ) && $this->value !== '' ) {

foreach ( $elements as $key_property => $element ) {

if ( is_numeric( $key_property ) ) {

if ( $mode ) {

$output = implode( ',', $elements ) .'{'. $mode .':'. $this->value . $unit . $important .';}';

}

break;

} else {

$output .= $element .'{'. $key_property .':'. $this->value . $unit . $important .'}';

}

$this->parent->output_css .= $output;

return $output;

}