Установите Boostrap React
npm install react-bootstrap bootstrap
Yours Kindly
npm install react-bootstrap bootstrap<nav class="navbar bg-light">
<div class="container-fluid">
<a class="navbar-brand">Navbar</a>
<form class="d-flex" role="search">
<input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</nav>