Changing Width of Box

Hi all,

I have a vertical menu that appears to be working fine in my site. I now want to change the Item Width for the main and sub menus. I open CSS Menu Writer 2, and click on Edit Theme. I select the Box tab which displays the pixel width of the main and sub menu items to be 100. I want to increase this width to say, 120. I set the width for the main and sub menus to 120.

Now comes the issue. When the widths are set to 100 the main and sub menus look great. The sub menus begin just to the right of the main menu; however, when I change the pixel width to 120, the main menu looks good, but the sub menus look pretty bad. Rather than the sub menus begin at the right edge of the main menu, the sub menu overlaps the main menu and the left edge of the sub menu begins to the left of the main menu's right edge. It appears as if the sub menu is treating the main menu as if the width is still 100 even though I have changed the width to 120.

Questions:

(1) Is this normal behavior when the widths for both the main and sub menus are changed? It looks pretty bad to me, so I think there is something wrong?

(2) Am I missing something easy or obvious here?

(3) Shouldn't we be able to change the menu widths by menu group (main, sub 1, sub 2, etc.)?

Thanks, in advance, for any help you can provide.

Best regards,
John