Galen Framework is a layout and functional testing framework for websites written in Java that can help you assess how responsive websites look and behave. Based on Selenium, you can execute it through Selenium Grid for cross-browser testing. This framework uses a simple approach to test layouts: through a special syntax and general rules, you can describe your layout and let Galen Framework test the location of the objects relative to each other.
Galen Framework is an open source layout and functional testing framework for websites, written in Java, which allows testing the look and feel of responsive websites. It has its own special language Galen Specs for describing the positioning and alignment of elements on a Web page.