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