You can set properties of cells in a table. 
 
Firstly, locate the cursor in a cell and click "Main Menu->Format->Cell Properties" successively.  Then a "Cell Properties" dialog will be displayed:
 
 
Horizontal alignment: Set a horizontal alignment fashion of the text in the cell;
Vertical alignment: Set a vertical alignment fashion of the text in the cell;
Rows spanned
Columns spanned
Specify width/height: Set a width and a height of the cell; Either pixels or percent are used as unit;
Broders Color/Light border/Dark border: Set colors of the border. 
Background Color: Set a background color for the cell;
Use background picture: Set a picture as the background of the cell.