To Adjust Page Width: reload the page, select "Property Sheet" in the upper right corner and "innerWrapDiv" should be the selected element, adjust the width property.

To Adjust Page Height: click on the white area, adjust the height for "mktContent" 

TIP: include the "px" after the width/height:  300px  not 300

To Adjust Column Width: click on right column and adjust the width attribute for mktColumn

To Adjust Column Height:  click on right column and adjust the height attribute for mktColumn

To Hide Column:  click on right column and adjust the opacity attribute for mktColumn by setting it to zero and setting the height to 1