@mrjules: There is issue with your child theme style.css. In this file, you are supposed to any only css that you want to modify not the all css.
So, it will be as
/*
Theme Name: Catch Evolution Child
Theme URI: http://otherhalfproductions.com/catch-evolution-child/
Description: Catch Evolution is a beautifully sleek creation of Catch Themes. It exudes a clean and super sharp look. It comes with a whole set of interesting, rich features and flexible theme options. Built on HTML5, CSS3, it has a responsive design which lets the content automatically adapt to the screen's size on different devices. Catch Evolution looks striking in a bigger screen. The layout is wider, bigger and luxuriously spacious. This theme is easily customizable with an advanced theme options panel. It supports popular plugins such as Jetpack, WordPress SEO by Yoast, WP-PageNavi, Contact Form 7, WooCommerce and many more. It is also translation ready and currently translated in Spanish, French, Swedish and German. If you need support with this theme, please go to http://catchthemes.com/support/
Author: Jules
Author URI: http://otherhalfproductions.com
Template: catch-evolution
Version: 1.0.0
Tags: dark, light, white, black, gray, one-column, two-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, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready, threaded-comments, flexible-header, three-columns
Text Domain: catch-evolution-child
*/
@import url("../catch-evolution/style.css");
/* =Theme customization starts here
-------------------------------------------------------------- */
Then you should add only the css that you need to modify.
.
