The Titles are showing up, but you’re unable to see them because you have a lot of links in your menu. The menu is pushed down further than normal and covers the title. You can either reduce the size of the menu, or increase the margin-top for the .site-inner so the content starts further down below where the menu is located.
You’re using a CSS minifier plugin so I can’t tell exactly which line it’s coming from since the CSS is all mixed in together. If you temporarily deactivate the CSS minifier plugin then I can tell you the exact line you’ll need to adjust.
Other than that, if you search for this in your style.css file, you’ll see the part you’ll need to change –
You can also add in your own Custom CSS inside the Customizer page (use the Additional CSS tab/page) and add this –
When you add in the code, make sure and click your Reload button on your Browser so it instantly clears your Browser Cache….which means you’ll see the latest changes to your CSS file show up immediately.
Let me know if that helps or if you need assistance.