Create a basic Animation to show the floating background

Create a basic Animation to show the floating background

1.In this draw the rectangle from the rectangle tool on the stage using free-transform tool fill complete stage to the rectangle & sleet the color as per your choice from the fill color option

2.Click on frame10 & press f6 or right click on frame 10 & select insert keyframe or select the color from fill color option(as per your choice)

3.Select the frame & press f6 & select the color as per your choice)

4.Save your work & test the movie.