Alert

  <div class="alert primary">
    <strong>Primary alert!</strong>
    <p class="alert-message">This is a primary alert with some content.</p>
  </div>
  <div class="alert success">
    <strong>Success alert!</strong>
    <p class="alert-message">
      This is a secondary alert with some content.
    </p>
  </div>
  <div class="alert warning">
    <strong>Warning alert!</strong>
    <p class="alert-message">This is a warning alert with some content.</p>
  </div>
  <div class="alert danger">
    <strong>Danger alert!</strong>
    <p class="alert-message">This is a danger alert with some content.</p>
  </div>