Gnome Apps Icon Size. Gnome software is developed openly and ethically by both individual contributors and corporate partners, and is distributed under the gnu general public license. Some applications could need custom named icons, i.e.
Change nautilus back to list view if you want. Spotlight search results icon (recommended) 80x80: This page will explain to gnome/gtk+ developers a method to install and use custom named icon.
Icon pattern create icon patterns for your wallpapers or social networks.
Additionally, on centos 7 (the current release 7.4.1708 while typing this comment), this gives the list of all icon size options: If you want to target gnome specifically, you can consider to provide a variant of your web app’s icon that complies with the icons and artwork section in the gnome human interface guidelines. License free for commercial use; Specially when the desktop icons suddenly changed size after an update.