Customize: preview site responsiveness, Macnchrome, iPad Air, iPhone 6+

A brief visual surveyVisual survey A visual survey is a collection of screenshots for a like set of screens or interfaces, such as all list table screens or all toolbar incarnations across various devices. These screens are not presented in the context of a particular flow.https://make.wordpress.org/test/tag/visual-survey/ for #31195 with WP 4.4-alpha-33848 and Customizer UI Experiments 0.1.

#4-4, #alpha, #chrome, #customize, #customizer, #customizer-ui-experiments, #desktop, #feature-plugin, #feature-preview-responsiveness, #ios, #macos, #phablet, #preview, #responsive, #tablet, #visual-survey