If you don't like the default font in which Excel 2007 displays your data, you can change it.
You can use cell formatting, including borders, alignment, and fill colors, to emphasize certain cells in your worksheets. This emphasis is particularly useful for making column and row labels stand out from the data.
Excel 2007 comes with a number of existing styles that enable you to change the appearance of individual cells. You can also create new styles to make formatting your workbooks easier.
If you want to apply the formatting from one cell to another cell, use the Format Painter to copy the format quickly.
There are quite a few built-in document themes and table formats you can apply to groups of cells. If you see one you like, use it ...