Alert

<span class="gra-alert" role="alert">This is an alert</span>

<span class="gra-alert green" role="alert">This is an alert</span>
<span class="gra-alert yellow" role="alert">This is an alert</span>
<span class="gra-alert blue" role="alert">This is an alert</span>
<span class="gra-alert red" role="alert">This is an alert</span>