There is a small icon on the top left corner of the report.
When you click this a different, full page view is been shown of the report created.

The top of the report is directly touching the top of the page.
This is not a display issue.

At the bottom of the page are six icons that can be used to change the display and close the report again.

1) This button closes the current page and returns you to the report creation page.

2) This button is reducing the white area underneath the table.

3) These buttons can be used to increase/decrease the size of the table.
Each button stands for one fixed size.

a) small
b) medium
c) large

d) is enlarging the table cells for settings a), b) and c)

a) small size without X

a) small size with X

b) medium size without X

b) medium size with X

c) large size without X

c)  large size with X