Contact data presentation, in read-only as well as in an editable form, is most complicated core feature of Roundcube. There are elements like photo, titles, fieldsets, groups and “composite” inputs. So, it took a while to implement for the new skin. Here’s the result.
The flow is similar to Larry’s, but I (and Bootstrap) added some improvements. Note that this is only about the structure. Colors, spacing and some sizes are subject to change.
And mobile version.