Now all we need is something to let us map shortcuts to open specific containers, e.g. alt+s to open a new tab in the shopping container. (I tried using Applica

Now all we need is something to let us map shortcuts to open specific containers, e.g. alt+s to open a new tab in the shopping container. (I tried using Application Shortcuts on OSX, but a. they stop working after restarting Firefox and b. they don't work if a tab has full screen video because that hides Firefox's menu bar on all monitors.)