That is odd because when I go to the link you provided and look at the style.css file, it shows this info:
Theme Name: Celestial Reloaded
Theme URI: https://www.styledthemes.com/celestial
Author: Styled Themes
Author URI: https://www.styledthemes.com
Description: Celestial Reloaded is a theme designed to give you a website that speaks volume when it comes to sophisticaton that includes good looks and lots of features. Celestial Reloaded continues popularity with a fresh new foundation that is built on strength and compatibility.
The 1.5 version and screenshot you posted above, is that the “active” theme? That screenshot is the old “Celestial” theme.