Our detectives are back with the following intel on this WordPress site
The site is using the ZeroGravity theme by GalussoThemes .
We could identify 3 plugins (there might be more) - Jetpack by WordPress.com , new-royalslider and WP Super Cache
ZeroGravity is a simple and light WordPress theme with a clear and neat design. Some its features are: left sidebar or right, custom theme color (blue, green, orange, red, pink, yellow or purple), custom favicon, six different Google Fonts, thumbnails rounded or squared, two widgets areas (beginning and end of posts), customization panel, fully responsive, custom header, custom background and more. Translation Ready (English and spanish integrated). Required WordPress 4.1+.