Ruby on rails專案中 引入Bootstrap

Bootstrap 官網的教程
https://v4.bootcss.com/docs/getting-started/download/

• 第一步去專案中的Gemfile 檔案中新增引入bootstrap

gem 'bootstrap', '~> 4.5.0'

gem 'jquery-rails'

• 第二步去application.scss檔案中引入

@import "bootstrap";

• 第三步 去頁面中引用

<h1>mw</h1>
<div class="alert alert-success">
提示
</div>
<svg width="1em" height="1em" viewBox="0 0 16 16" class="bi bi-alarm-fill" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
  <path fill-rule="evenodd" d="M6 .5a.5.5 0 0 1 .5-.5h3a.5.5 0 0 1 0 1H9v1.07a7.001 7.001 0 0 1 3.274 12.474l.601.602a.5.5 0 0 1-.707.708l-.746-.746A6.97 6.97 0 0 1 8 16a6.97 6.97 0 0 1-3.422-.892l-.746.746a.5.5 0 0 1-.707-.708l.602-.602A7.001 7.001 0 0 1 7 2.07V1h-.5A.5.5 0 0 1 6 .5zM.86 5.387A2.5 2.5 0 1 1 4.387 1.86 8.035 8.035 0 0 0 .86 5.387zM11.613 1.86a2.5 2.5 0 1 1 3.527 3.527 8.035 8.035 0 0 0-3.527-3.527zM8.5 5.5a.5.5 0 0 0-1 0v3.362l-1.429 2.38a.5.5 0 1 0 .858.515l1.5-2.5A.5.5 0 0 0 8.5 9V5.5z"/>
</svg>