If 10 can represent 100% (on CSS width for example) why is this grid system for 12 columns instead of only 10? I guess other frameworks have it also that way.If 10 can represent 100% (on CSS width for exam
阅读背景：
为什么Twitter Bootstrap网格系统有12列而不是10列（让我们说100％）？
来源：互联网
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