Ooh sorry I mean from design-editor, the style.css from the childtheme.
the code didnot work when I use this css, but from here I changed the function.php and this works.
this is the top of the style.css
Theme Name: Catch Base Pro Child Theme
Theme URI: http://catchthemes.com/themes/catch-base-pro
Author: Catch Themes Team
Author URI: http://catchthemes.com
Description: Catch Base Pro is an advanced version of Catch Base free theme. Catch Base Pro is a simple, clean and responsive Starter WordPress Theme. Use this as a base for your theme development or custom site development, and you will be thrilled with its ease and efficiency! Catch Base Pro is built in HTML5, CSS3 and WordPress Theme Customizer for real time customization. This theme is translation ready and also currently translated in Swedish and German. Check out Theme Instructions at http://catchthemes.com/theme-instructions/catch-base-pro/, Support at http://catchthemes.com/support/ and Demo at http://catchthemes.com/demo/catch-base/
Version: 1.0
License: GNU General Public License, version 3 (GPLv3)
License URI: http://www.gnu.org/licenses/gpl-3.0.txt
Tags: black, gray, silver, white, dark, light, one-column, two-columns, three-columns, left-sidebar, right-sidebar, fixed-layout, fluid-layout, responsive-layout, custom-background, custom-colors, custom-header, custom-menu, editor-style, featured-image-header, featured-images, flexible-header, front-page-post-form, post-formats, sticky-post, theme-options, threaded-comments, translation-ready
Text Domain: catchbase
Template: catch-base-pro
/* =Child Theme Custom CSS
————————————————————– */