install bootrsap code example
Example 1: install bootstrap
npm install bootstrap
//OR
npm install bootstrap@latest
Example 2: bootstrap 4.1.3 cdn with popper
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">