In this video, we will be covering the basics of responsive design, manual responsive design, and how to use Bootstrap to create responsive websites. We will start by defining what responsive design is and why it is important in today's web development era. Then, we will move on to manual responsive design and show how it is currently done using custom CSS. After that, we will introduce the concept of CSS frameworks and specifically Bootstrap. We will explain how Bootstrap uses a 12-column grid system to handle responsiveness and provide hands-on examples of using it to create responsive websites. Finally, we will show how to set up a Bootstrap environment in Visual Studio Code and build a project using Bootstrap. This video is perfect for front-end developers who want to learn about responsive design and Bootstrap.