This document provides an overview and agenda for a frontend crash course on HTML and CSS. It introduces the instructor and discusses the client-server model of how websites work. Key concepts that will be covered include HTML structure and tags, CSS selectors, properties and values, and how to style elements using margins, borders and padding. Assignments for the course include working through material on a classroom website and completing challenges with support. Real-world development practices like using Google for references are also mentioned. The document promotes a free trial for Thinkful's online coding courses.