<div class="alert basic-alert">This is a basic alert!</div>
<div class="alert primary-alert">This is a primary alert!</div>
<div class="alert secondary-alert">This is a secondary alert!</div>
<div class="alert success-alert">This is a success alert!</div>
<div class="alert danger-alert">This is a danger alert!</div>
<div class="alert warning-alert">This is a warning alert!</div>