Astra_Theme_Update::v_1_0_4()

		public static function v_1_0_4() {

			$options = array(
				'font-size-body',
				'body-line-height',
				'font-size-site-title',
				'font-size-site-tagline',
				'font-size-entry-title',
				'font-size-page-title',
				'font-size-h1',
				'font-size-h2',
				'font-size-h3',
				'font-size-h4',
				'font-size-h5',
				'font-size-h6',

				// Addon Options.
				'footer-adv-wgt-title-font-size',
				'footer-adv-wgt-title-line-height',
				'footer-adv-wgt-content-font-size',
				'footer-adv-wgt-content-line-height',
				'above-header-font-size',
				'font-size-below-header-primary-menu',
				'font-size-below-header-dropdown-menu',
				'font-size-below-header-content',
				'font-size-related-post',
				'line-height-related-post',
				'title-bar-title-font-size',
				'title-bar-title-line-height',
				'title-bar-breadcrumb-font-size',
				'title-bar-breadcrumb-line-height',
				'line-height-page-title',
				'font-size-post-meta',
				'line-height-post-meta',
				'font-size-post-pagination',
				'line-height-h1',
				'line-height-h2',
				'line-height-h3',
				'line-height-h4',
				'line-height-h5',
				'line-height-h6',
				'font-size-footer-content',
				'line-height-footer-content',
				'line-height-site-title',
				'line-height-site-tagline',
				'font-size-primary-menu',
				'line-height-primary-menu',
				'font-size-primary-dropdown-menu',
				'line-height-primary-dropdown-menu',
				'font-size-widget-title',
				'line-height-widget-title',
				'font-size-widget-content',
				'line-height-widget-content',
				'line-height-entry-title',
			);

			$astra_options = get_option( 'ast-settings', array() );

			if ( 0 < count( $astra_options ) ) {
				foreach ( $options as $key ) {

					if ( array_key_exists( $key, $astra_options ) && ! is_array( $astra_options[ $key ] ) ) {

						$astra_options[ $key ] = array(
							'desktop'      => $astra_options[ $key ],
							'tablet'       => '',
							'mobile'       => '',
							'desktop-unit' => 'px',
							'tablet-unit'  => 'px',
							'mobile-unit'  => 'px',
						);
					}
				}
			}

			update_option( 'ast-settings', $astra_options );
		}