<div class="alert alert-primary" role="alert">
  متن شما
</div>
<div class="alert alert-secondary" role="alert">
  متن شما
</div>
<div class="alert alert-success" role="alert">
  متن شما
</div>
<div class="alert alert-danger" role="alert">
  متن شما
</div>
<div class="alert alert-warning" role="alert">
  متن شما
</div>
<div class="alert alert-info" role="alert">
  متن شما
</div>
<div class="alert alert-light" role="alert">
  متن شما
</div>
<div class="alert alert-dark" role="alert">
  متن شما
</div>