Is a fluid based widget for the backend that can be inserted as view helper.
<f:be.infobox title="Infobox with default icon">Your infobox content</f:be.infobox><f:be.infobox title="Infobox without icon" disableIcon="TRUE">Your infobox content</f:be.infobox>It is also possible to use a custom icon. Just pass the icon identifier as iconName to the view helper. The identifier must be registered in your TYPO3 installation.
<f:be.infobox title="Infobox with a save icon" iconName="actions-save">Your infobox content</f:be.infobox><f:be.infobox title="Message title" state="-2">Your infobox content</f:be.infobox><f:be.infobox title="Message title" state="-1">Your infobox content</f:be.infobox><f:be.infobox title="Message title" state="0">Your infobox content</f:be.infobox><f:be.infobox title="Message title" state="1">Your infobox content</f:be.infobox><f:be.infobox title="Message title" state="2">Your infobox content</f:be.infobox>