<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=2, user-scalable=yes"><meta name="viewport" conte
阅读背景：
CSS3响应式布局meta viewport属性
来源：互联网
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=2, user-scalable=yes"><meta name="viewport" conte
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