What does Botão "COOL" 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 Botão "COOL"?

Mozilla first drew Botão "COOL" in Firefox OS 2.5, released 30 de janeiro de 2016.

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

Mozilla

Mozilla Foundation has drawn Botão "COOL" once. Every revision Mozilla has shipped is below, newest first.

What does Botão "COOL" 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 Botão "COOL"?: Mozilla first drew Botão "COOL" in Firefox OS 2.5, released 30 de janeiro de 2016.
How many times has Mozilla redrawn Botão "COOL"?: Mozilla Foundation has shipped 1 version of Botão "COOL". Each is dated, so you can see when the design changed.