<$button to="TiddlerToGoTo" tooltip="Tooltip" class="tc-btn-invisible">
{{$:/core/images/right-arrow}}
</$button>
TiddlerToGoTo,
Tooltip, and icon (here
$:/core/images/right-arrow) to your liking.
For more information about customization, see my guide Customization of TW5
Cheers,
Ton