<div class="spinner-border text-primary" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border text-secondary" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border text-success" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border text-danger" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border text-warning" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border text-info" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border text-light" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border " role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    

    <div class="spinner-grow text-primary" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow text-secondary" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow text-success" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow text-danger" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow text-warning" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow text-info" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow text-light" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow " role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    

    <div class="spinner-border spinner-border-sm" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-border" style="width: 3rem; height: 3rem;" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow spinner-grow-sm" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <div class="spinner-grow" style="width: 3rem; height: 3rem;" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    

    <!-- btn: primary border -->
        <button class="btn btn-primary" type="button">
            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
            <span class="visually-hidden">Loading...</span>
        </button>
        <!-- btn: primary border disabled -->
        <button class="btn btn-primary" type="button" disabled>
            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
            <span class="visually-hidden">Loading...</span>
        </button>
        <!-- btn: primary outline border disabled -->
        <button class="btn btn-outline-secondary" type="button" disabled>
            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
            <span class="visually-hidden">Loading...</span>
        </button>
        <!-- btn: danger grow disabled -->
        <button class="btn btn-danger" type="button" disabled>
            <span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
            <span class="visually-hidden">Loading...</span>
        </button>
        <!-- btn: danger grow disabled -->
        <button class="btn btn-outline-secondary" type="button" disabled>
            <span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
            <span class="visually-hidden">Loading...</span>
        </button>

        <!-- btn text : border disabled -->
        <button class="btn btn-warning" type="button" disabled>
            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
            Loading...
        </button>
        <!-- btn text : border disabled -->
        <button class="btn btn-outline-secondary" type="button" disabled>
            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
            Loading...
        </button>
        <!-- btn text : grow disabled -->
        <button class="btn btn-success" type="button" disabled>
            <span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
            Loading...
        </button>
        <!-- btn text : grow disabled -->
        <button class="btn btn-outline-secondary" type="button" disabled>
            <span class="spinner-grow spinner-grow-sm" role="status" aria-hidden="true"></span>
            Loading...
        </button>