Zenbox is a simple, responsive portfolio WordPress theme on one page. All portfolio items are separated in boxes and load via Ajax.
Features

Responsive design
Ajax powered
Retina Ready
NEW: Support for separate preview image, aside from featured image
4 preset color schemes
Theme Customizer support (lets you create your own color schemes)
Post Format support (Image, Gallery, Audio and Video)
Translation ready
Child Themes support
Demo content XML file included
Based on WordPress coding standards and practices
Layered PSD for customization
Extensive documentation

The Theme Customizer lets you create your own skins

4 Preset Color Schemes Included

Responsive Design

Notes

Support: If you have any questions, please use the comment section of this item. This way other users can benefit from my answer as well. Rating: If you like my work, please rate it. If youre about to rate it with less than 5 stars, please let me know the reason first and I will do my best to improve the theme. Credits:

Font Awesome for Icons
Dutch translation files by Frans Pronk of IFRA