The new design language works best with a single column layout. It gives emails the affordance of a content feed, which people are used to seeing.

By using a single column and typographical design elements, we provide an experience optimized for reading. The same affordance is carried on to the desktop view which is as wide as a portrait reading experience on a tablet. Choosing a mobile first approaches ensures that new emails look best on mobile. This is important because 60% members see emails on mobile.

The responsive logic in emails is fluid, which means that size, gutter, margins, paddings and proportions remain the same when changing from mobile to desktop. The below example demonstrates the responsive behavior in detail.