The default grid system provided in Bootstrap utilizes 12 columns that render out at widths of 724px, 940px (default without responsive CSS included), and 1170px. Below 767px viewports, the columns become fluid and stack vertically.
郑总一拍桌子“我买10亿”，旁边的李总一看 ，也拍起了桌子“我也来10亿” 。过去商户是通过电话、短信形式报给他 ，有时会漏单 ，很不方便记下来 。