Using Rows/Columns setting of 1/1
Using Cell Padding/Cell Spacing setting of 10/10
Using Border Width of 5/Border Colour #ffcc33 (this border code is set automatically depending on the colour that you chose)
Using background colour of #99ccff (this border code is set automatically depending on the colour that you chose)
NB: The Background Image URL is only used when you want a more elaborate background inserted.