Inner Page header content

I created an inner header for one page. It works fine except that the content I entered content in the content area won't change to white. I changed text color under Page hero to white, but it won't change.

<h1>
Superior Near-Infrared Solutions for On-line, At-line, Field, and Lab
</h1>

<h2>
Measurements in less than 30 seconds!...
</h2>

I can try to share the site. It is on the platform getflywheel as a testing site. http://galaxy-scientific.flywheelsites.com/