Explore the process of creating custom WordPress designs through child themes in this conference talk from PHP UK Conference 2018. Learn how to develop unique, upgrade-safe designs while retaining the features of favorite themes. Follow a step-by-step guide to set up a child theme, understand its benefits and potential pitfalls, and discover techniques for customizing templates, adding JavaScript, and managing upgrades. Gain insights into starter themes, automation tools, and helpful resources for WordPress theming.