Scale down the Valo theme’s spacing and widget size to that of the Reindeer theme
问题 The new Valo theme is now the default in Vaadin 7.3 apps. This theme renders visually with widgets (buttons, fields, and so on) that are dramatically larger (wider and taller) than in the previous default Reindeer theme. This kind of look is now popular in mobile apps in Android and iOS 7/8 as well as some web sites. But those contexts are for brief usage in the range of mere minutes. In contrast, business-oriented desktop-style apps are used by people for much longer work sessions, perhaps