Notice

http://www.google.com/design/spec/components/snackbars-and-toasts.html

Usage

.drop.{direction}.max.notice > .message > span & .pull-right > .button.flat

Consider using

&.down
&.up
.bg-{color}
.text-{color}

Side note(s)

Below, in the raw output, the notices has been placed as .drop's inside a .relative which triggers the dropdown hover visibilty. Normally you would want javascript to show/hide the notices.