long events and categorie list in widget

How can i show a list of long-events in a widget.

And how to show the categories in a widget.

I now have:
[event_list]
{is_long}

<li style=”list-style:none; margin-left:-40px”>#_EVENTDATES <br /> <h4>#_EVENTLINK</h4>
#_EVENTIMAGE{320,200}<br />
<hr />

{/is_long}
[/event_list]

<p><center>#_CATEGORYIMAGE{100,100}<br/> #_CATEGORYLINK</center></p>

but .. that results in: https://www.dropbox.com/s/i3wymsf4zxx6al7/Schermafbeelding%202016-11-21%20om%2021.26.27.png?dl=0

I do this on https://www.culturavenray.nl/agenda