Almost everything generated by Events Made Easy can be changed in layout using stylesheets (CSS).
Create a file called ‘eme.css’ in your theme CSS directory and put in there e.g.:
.eme-location-map {
width: 600px;
height: 400px;
}
.eme-location-balloon {
color: #FF7146;
}
You can start from events_manager.css as a base and just change the parts you want.
Also: create a file called ‘eme_print.css’ in your theme CSS directory to change the layout of the “Print Preview” booking result.