The video tutorial explores modern CSS page layout techniques, focusing on flexbox. It begins with an introduction to HTML structure and the limitations of using the body tag as a parent container. The tutorial then delves into flexbox properties, demonstrating how to change display settings, use flex direction, and apply flex wrap. Advanced properties like order and justify content are covered, showing how to manipulate element positioning. The tutorial concludes with flex basis and a summary of flexbox's flexibility in creating responsive layouts.

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