What does Círculo Negro 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 Círculo Negro?

Mozilla first drew Círculo Negro in Firefox OS 2.5, released 30 de enero de 2016.

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

Mozilla

Mozilla Foundation has drawn Círculo Negro once. Every revision Mozilla has shipped is below, newest first.

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