Customizing Event view

Hi, i am working on http://lasuiza.ch/event/pnche-envento-nocturno/?instance_id=790 i want to show the event view like http://live-eventsineaston.time.ly/event/cbmm-all-winterspring-preview-party/?instance_id=164503
I mean with the image at the left side, Event Info a the right side and Text down.

I have try to do that but i can not find the way to do, in which Files should i work? some tips?

Thank you very much

https://ww.wp.xz.cn/plugins/all-in-one-event-calendar/