Codiux – Online Course Elementor Template Kit. Codiux is a fully responsive, clean and customizable theme. Codiux can be used for Online Course, UI UX Instructor,or Web Designer as well as layouts for Pricing and Course. This is not a WordPress theme. Elementor Kit contains page content for Elementor page builder. This kit has been optimized for use with the free Hello Elementor theme but may be used with most themes that support Elementor.