Example

    <nav aria-label="breadcrumb">
        <ol class="breadcrumb">
            <li class="breadcrumb-item active" aria-current="page">Home</li>
        </ol>
    </nav>

    <nav aria-label="breadcrumb">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="#">Home</a></li>
            <li class="breadcrumb-item active" aria-current="page">Library</li>
        </ol>
    </nav>

    <nav aria-label="breadcrumb">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="#">Home</a></li>
            <li class="breadcrumb-item"><a href="#">Library</a></li>
            <li class="breadcrumb-item active" aria-current="page">Data</li>
        </ol>
    </nav>