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.
圣雄甘地所缔造的大国印度其实是享受了英国殖民者在南亚次大陆上武力整合的红利 。 案例 ：卫龙辣条致敬苹果风 李三水 ：卫龙辣条的正经式逆袭 。