Lets Begin..!!!!

First open a new page in AI, then take A3 size paper to begin the project. click rectangle tools, select color at the path and take (c-85 m-10 y-100 k-10). click on board and drag the rectangle until it become half or A4 size paper like below.

Use the same way as before, but change the rectangle to round rectangle tools. using different color like ( c-50 m-0 y-100 k 10). click it add the art board and drag the shape inside of the first rectangle and center it.