The best way to create a responsive layout, CSS Grid~!! You can fully understand CSS Grid through the core theory of Grid and practical application examples. In addition, there are various practical examples using the core theory, so you can practice enough for practical use. The core theory of Grid can be downloaded as a PDF textbook as well as a video. By learning the core theory and practical application of CSS Grid, which is an essential course for becoming an intermediate publisher, you can have enough competitiveness in the field as a publisher as well as in employment.