[Plugin: Events Manager] Space between event listings (boxes)

With help last week from algonwl, we managed to get the event boxes lined up left-to-right versus in a list. This is the current code under “settings-formatting-default event list format”:

<div style=”outline: 10px solid #000000; background: #000000;margin: 10px; border:2px solid #E8D143; width: 240px; height: 80px; text-align: center; padding: 20px; float: left;”><h3> #_EVENTLINK</h3>
<h4>#_EVENTDATES #_EVENTTIMES
</h4></div>

Now I am trying to have a space between the boxes. Any ideas?

url is http://george-dragon.com/events-upcoming/

Thanks,
ALG

http://ww.wp.xz.cn/extend/plugins/events-manager/