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I was surprised to find that IE draws buttons with extra extra extra padding making them too wide.I use css to shape my buttons, and I had to add the following line to the button's css to prevent it from becoming extra wide:
overflow: visible;
For more on this issue, check out: An Even Better IE Button Width Fix
Although that blog says the fix does not work inside table cells, it worked for me. Maybe because my button is encapsulated in a <span>.
