Responsive utility classes will allow you to selectively hide
<div>s or components based on the screen resolution size. This is great for creating a mobile-first web application, because in many cases you'll want to hide some components that don't work well on a phone or tablet. Mobile application design generally means a simpler, more minimal experience some using responsive utility classes will allow you to achieve this. Open up
index.ejs in a text editor and go down to the sidebar
<div>, then add the
.hidden-md-down class to your code:
<div class="col-md-4 hidden-md-down">
Adding this class will hide the
<div> from the browser when your screen resolution is smaller than 720 pixels. Make sure your column class, ...