This book provides practical hands-on projects for coding a website with HTML and CSS from the Design Mockup and Specification. The coding process is explained step-by-step in a full-color visual format. In this first book, develop a company website according to the design mockup created with Adobe XD. Start by analyzing the design mockup. Then determine the coding plan, write codes and build the website while considering 'Why do we set it up this way?'.