Width: width of the cell;

Height: height of the cell;

vAlign: vertical alignment within the cell - are the contents at the top, middle or bottom.

Colour: background colour of the cell - see colour picker below.

To set colours, click on the corresponding checkbox or on the coloured square left to the checkbox control

Image : background image of the cell

To set background image, click on the corresponding checkbox or inside the space between the checkbox and text 'Image:'

To unset colour/image switch the corresponding checkbox off