Css 最流行的断点是为什么设计的？

在一个大型内容项目上做一些前期研究。

我个人喜欢参考流行的框架，看看它们支持什么。例如，Zurb的基金会使用以下断点（并且是移动的第一，一些要考虑的…）：

或者，您可以查看Bootstrap正在做什么（同样，“移动优先”）

我喜欢认为，随着新设备的问世（iphone6/6plus），这些框架将在收到用户反馈时得到更新

希望这有帮助

// Small screens
@media only screen { } /* Define mobile styles */

@media only screen and (max-width: 40em) { } /* max-width 640px, mobile-only styles, use when QAing mobile issues */

// Medium screens
@media only screen and (min-width: 40.063em) { } /* min-width 641px, medium screens */

@media only screen and (min-width: 40.063em) and (max-width: 64em) { } /* min-width 641px and max-width 1024px, use when QAing tablet-only issues */

// Large screens
@media only screen and (min-width: 64.063em) { } /* min-width 1025px, large screens */

@media only screen and (min-width: 64.063em) and (max-width: 90em) { } /* min-width 1025px and max-width 1440px, use when QAing large screen-only issues */

// XLarge screens
@media only screen and (min-width: 90.063em) { } /* min-width 1441px, xlarge screens */

@media only screen and (min-width: 90.063em) and (max-width: 120em) { } /* min-width 1441px and max-width 1920px, use when QAing xlarge screen-only issues */

// XXLarge screens
@media only screen and (min-width: 120.063em) { } /* min-width 1921px, xxlarge screens */

/* Extra small devices (phones, less than 768px) */
/* No media query since this is the default in Bootstrap */

/* Small devices (tablets, 768px and up) */
@media (min-width: @screen-sm-min) { ... }

/* Medium devices (desktops, 992px and up) */
@media (min-width: @screen-md-min) { ... }

/* Large devices (large desktops, 1200px and up) */
@media (min-width: @screen-lg-min) { ... }