How to make a side menu for mobile devices and a regular one for a standard display in Bootstrap 3?

Question

css

Hello.
I want to make a left menu in Bootstrap 3 that expands for mobile phones, and normal for wider displays. Example .
Thank you.

Answer 1

Classes are set.
getbootstrap.com/examples/grid

<div class="container">
      <div class="row">
        <div class="col-lg-4 col-md-4 col-sm-6 col-xs-4"></div>
        <div class="col-lg-4 col-md-4"></div>
        <div class="col-lg-4 col-md-4"></div>
      </div>

Answer 2

On Bootstrap this is done by the default navbar dude. If we don’t know how to search, then we take ready-made from native examples of the framework. getbootstrap.com/examples/navbar

Answer 3

itchief.ru/lessons/bootstrap-3/bootstrap-3-custom-...