Select a message to read it.
+ +Below 840px the list gives way to this message, with a back button that returns you — and your focus — to the list. From 840px both panes show, the list 360px wide and 412px from 1200px.
+Three days by the lake in June: the train on Friday morning, two nights at the harbour, and a walk round the old town on Sunday before the train home.
+From 840px the comments sit beside the proposal, 360px wide (412px from 1200px). Below it they are a bottom sheet docked to the window: press its handle to read them.
+lowest, outlined
low
high
highest
A row that stacks below 600px
+Its middle item is hidden from 840px.
+Widen the window past 840px and this goes.
<x-drawer pane>) or a 360px supporting pane<x-list-detail>, or <x-supporting-pane> at 360px<x-stack>, <x-row> and <x-grid> — arrangement inside a pane.