Thanks for asking.
I checked the website and the spacing is coming because of a smiley that's on the header section. Please see following screenshot.
Of late did you made any changes to the website? If yes, please remove them and see how it goes.
I also see that you are using old version of Pro theme 1.0.2 on the website. I suggest you to update Pro Theme to the latest version as it comes with host of new features and bug fixes. I am sharing few resources that you can take a look to update.
Version compatibility guide: To learn about the latest and compatible versions of bundled and supported plugins, please take a look at following doc:
2. Theme Update guide: Please take a look at following article to update Cornerstone.
3. Please take a look at following doc about changelog: