Hide product titles on collection and grid views

Example:

Code:

/* -- code to hide product titles from all grid views -- */
p.name_wrapper,.product-details .title {display:none}
/* - end - */

This will remove titles on all horizontal grid pages including the homepage featured products, all collection pages, related products section on product pages.

Where do I add the code?

Use this link to learn where exactly to add this code snippet:

Where to add your CSS style code