http://devdocs.magento.com/guides/v2.1/frontend-dev-guide/bk-frontend-dev-guide.html
https://www.creare.co.uk/blog/magento/theming-in-magento-2-part-1
https://www.creare.co.uk/blog/magento/theming-in-magento-2-part-2
http://alanstorm.com/category/magento-2/I have installed Magento 2 successfully, but icons are not displaying and not able to click anywhere in backend.
Please try running following command.