Change Form Field length on events listing page

Hello,

I was wondering what was needed to be edited or how to go about shortening the fields on the events page where my events are listed Attached is an image with an example. I want to change the length on ALL available search fields

<img src=http://i49.tinypic.com/wbdlk9.png>

http://i49.tinypic.com/wbdlk9.png

http://wordpress.org/extend/plugins/events-manager/