Remove Bullets List category posts

Is there any way to get rid of the bullet point that appears before the title of the post?

I tried this and and it crashed the site, can come me please tell me where exactly must I paste this code,

.lcp_catlist li{
list-style: none;
}
This is my site which I am trying to build
http://www.photoinaframe.com/travel-photography-2/