bootstrap框架怎么搭

<link href="path_to_your_bootstrap_css_file/bootstrap.min.css" rel="stylesheet"><script src="path_to_your_bootstrap_js_file/bootstrap.bundle.min.js"></script>

<div class="container">  <div class="row">    <div class="col-sm-12 col-md-6">Column 1</div>    <div class="col-sm-12 col-md-6">Column 2</div>  </div></div>

<button type="button" class="btn btn-primary">Primary</button>

$text-color: #000;