Controll the design of Start TYPO3 Responsive! and the responsive framework Foundation (Zurb) with a user interface. Start TYPO3 Responsive Customer enables you to configure a lot of CSS properties by a mouse click. Copy Start TYPO3 Responsive Customer, rename it and adapt it to your needs. Manual: http://start-typo3-responsive.de/typo3conf/ext/startcustomer/doc/manual.pdf. 