If we also slip a value into each data cell, you get the following table. There are three values, including border, that you can use to enhance the appearance of your tables. This draws lines of various thicknesses around the table, or lets you turn all the table lines off. Note that the outer line has been defined as a bezel and it gives the table a distinct 3D appearance. This controls the width of the interior lines in the table.
Bigger values result in thicker lines.
The values are in pixels. You can see how these work with a few examples. Obviously, with just these three enhancements you can produce a wide variety of appearances. There are many useful enhancements that can be added to containers. A number of other common enhancements are also available.