Explore the responsive capabilities of the Bootstrap grid system in this 21-minute tutorial. Learn how to control and modify responsive layouts using Bootstrap's grid system, which divides the screen into 12 parts. Understand the hierarchy of container, rows, and columns, and how to use different column classes to adjust layouts based on device sizes. Discover Bootstrap's five device categories (xs, sm, md, lg, xl) and how they affect responsive design. Gain practical knowledge to create mobile-responsive websites using Bootstrap's powerful grid system.