Hide page title on stactic pages, but not on blog page

I’m using Twenty Twelve theme with a child theme.

I don’t want the static page names to display, so I’m using the following code:

.entry-header {
display: none;
}

It works fine for the static pages, but just realized the titles don’t display on my the Blog page, or the individual posts, which I do want them to do.

site is https://www.contractorbizsystem.com

Any suggestions?

Thank you.