WARNING: concrete5 5.6 and earlier are end-of-life. Sales from the marketplace have now ended. Click here to learn more about this transition.
Elegant theme very customizable.
HTML5 structure and CSS3 features.
Crossbrowser and validated following W3C standards.
Do you want more features? Get the premium version.
Take a look to my other theme:
https://marketplace.concretecms.com/marketplace/themes/smoothie-theme/
Enjoy!