Added unit param in Customizer number option

class-option-number.php

@@ -168,6 +168,7 @@ public function registerCustomizerControl( $wp_customize, $section, $priority =
 			'min' => $this->settings['min'],
 			'max' => $this->settings['max'],
 			'step' => $this->settings['step'],
+			'unit' => $this->settings['unit'],
 		) ) );
 	}
 }
@@ -193,6 +194,7 @@ class TitanFrameworkOptionNumberControl extends WP_Customize_Control {
 		public $min;
 		public $max;
 		public $step;
+		public $unit;
 
 		private static $firstLoad = true;
 
@@ -208,6 +210,7 @@ public function render_content() {
 				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
 				<span class='number-slider'></span>
 				<input class="<?php echo esc_attr( $this->size ) ?>-text" min="<?php echo esc_attr( $this->min ) ?>" max="<?php echo esc_attr( $this->max ) ?>" step="<?php echo esc_attr( $this->step ) ?>" type="number" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
+				<?php echo esc_html( $this->unit ) ?>
 			</label>
 			<?php
 			if ( ! empty( $this->description ) ) {

css/admin-theme-customizer-styles.css

@@ -129,7 +129,7 @@
     border: 1px solid #ddd;
 	border-radius: 3px;
 	height: 15px;
-	width: 150px;
+	width: 120px;
 	display: inline-block;
 	vertical-align: middle;
 	margin: 15px 15px 15px 0;