What does Montagne Russe look like on Mozilla?

On Mozilla it is the design shipped in Firefox OS 2.5, shown above at full size. Older revisions are listed beneath it.

When did Mozilla add Montagne Russe?

Mozilla first drew Montagne Russe in Firefox OS 2.5, released 30 gennaio 2016.

Mozilla Foundation has shipped 1 version of Montagne Russe. Each is dated, so you can see when the design changed.

Mozilla

Mozilla Foundation has drawn Montagne Russe once. Every revision Mozilla has shipped is below, newest first.

What does Montagne Russe look like on Mozilla?: On Mozilla it is the design shipped in Firefox OS 2.5, shown above at full size. Older revisions are listed beneath it.
When did Mozilla add Montagne Russe?: Mozilla first drew Montagne Russe in Firefox OS 2.5, released 30 gennaio 2016.
How many times has Mozilla redrawn Montagne Russe?: Mozilla Foundation has shipped 1 version of Montagne Russe. Each is dated, so you can see when the design changed.