Adding borders to span divs in Bootstrap messes up layout

Question

I am starting with Twitter Bootstrap and have a question about how layout functions in it. Here is the HTML:

Answer 1

Another option would be to tweak the span widths with JQuery:

$(".some-bordered-container [class*=span] ").each(function(index) {
    $(this).width($(this).width()-1);
});

It seems to work well for me. I don't miss the pixels.