Success (grün)

<div class="message-ok">
    <strong>Titel</strong> Text
</div>

Error (rot)

<div class="message-alert">
    <strong>Titel</strong> Text
</div>

<div class="message-error">
    <strong>Titel</strong> Text
</div>

Warning (gelb)

<div class="message-warning">
    <strong>Titel</strong> Text
</div>

Info (blau)

<div class="message-info">
    <strong>Titel</strong> Text
</div>