如何让小屏幕设备上所有列不堆叠在一起,使用针对超小屏幕和中等屏幕设备所定义的类就可以做到,即 .col-xs-* 和 .col-md-*.举例: <!-- Stack the columns on mobile by making one full-width and the other half-width --> <div class="row"> <div class="col-xs-12 col-md-8">.col-xs…
栅格系统与布局 Use our powerful mobile-first flexbox grid to build layouts of all shapes and sizes thanks to a twelve column system, five default responsive tiers, Sass variables and mixins, and dozens of predefined classes.(摘自bootStrap官方文档). The BootStrap…