Some utils here
Panel 1
Tabs are fully responsive and take into account available width in the container.
You can use
bs-tabs
custom element for faster UI interaction if using linkable or responsive tabs.
Holy guacamole!
You can dismiss this alert and it won't show again!
Check regular version: header will keep its height even if there is too much content
Panel 2 has nested panels
Panel 3
Panel 6