Screenshot showing #VivaldiBrowser source tar.xz extracted file, with a folder called "ui" selected
https://social-cdn.vivaldi.net/system/media_attachments/files/115/373/156/274/957/265/original/b76c623573ef26d3.png
Not very sure but it looks like that
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.