Hide content for Event Espresso 4 pages in Twenty Twelve WordPress theme

gistfile1.md

Add the following CSS to your child theme's CSS or through a plugin like Reaktiv CSS Builder or My Custom CSS:

/* Hide archives header and title, leave reply link on Event Espresso event list page */
.post-type-archive-espresso_events header.archive-header, .post-type-archive-espresso_events .leave-reply {display:none;}

/* Hide posted on date and author on Event Espresso event list page */
.post-type-archive-espresso_events .entry-meta {display:none;}

/* Hide leave reply link, posted on date and author, navigation links on Event Espresso single events pages */
.single-espresso_events .leave-reply, .single-espresso_events .entry-meta, .single-espresso_events .nav-single {display:none;}

/* Hide navigation links on Event Espresso single events pages */
.single-espresso_events .nav-single {display:none;}

References:

http://eventespresso.com/wiki/hide-certain-elements-event-espresso-pages-using-css/
https://gist.github.com/lorenzocaum/e807be7a6d69d4cbc951