Materia (formerly Flat-Plat) is a Material Design theme for GNOME/GTK+ based desktop environments.
It supports GTK+ 3, GTK+ 2, GNOME Shell, Budgie, MATE, Unity, LightDM, GDM, Chrome theme, etc.

Also Materia has compatibility with oomox theme designer.

Ripple effect animations for GTK+ 3 are supported.

Three color variants and two size variants are available.

Materia	-	compact
-
dark
light

Various desktop environments are supported.

• GNOME Shell >=3.18
• Budgie >=10.2.5
• MATE >=1.14
• Unity >=7.4
• ... and more DEs are planned.

1. The AUR package is maintained by @cthbleachbit.
2. The Copr repository is maintained by @LaurentTreguier.

Check the dependencies first:

• GTK+ >=3.18
• gnome-themes-standard
• Murrine engine - The package name depends on the distro.
  • gtk-engine-murrine on Arch Linux
  • gtk-murrine-engine on Fedora
  • gtk2-engine-murrine on openSUSE
  • gtk2-engines-murrine on Debian, Ubuntu, etc.
• glib-compile-resources - The package name depends on the distro.
  • glib2 on Arch Linux
  • glib2-devel on Fedora, openSUSE, etc.
  • libglib2.0-dev on Debian, Ubuntu, etc.

Did you get the error: XMLLINT not set and xmllint not found in path? Then you'll also need to install libxml2-utils.

Install the theme with the following commands:

cd /tmp && wget -qO - https://github.com/nana-4/materia-theme/archive/master.tar.gz | tar xz
cd materia-theme-master
sudo ./install.sh

Note: ./install.sh allows the following options:

-d, --dest DIR           Specify theme destination directory
-n, --name NAME          Specify theme name
-c, --color VARIANTS...  Specify theme color variant(s) [standard|dark|light]
-s, --size VARIANT       Specify theme size variant [standard|compact]

Please run ./install.sh --help for more information.

Delete the installed directories:

sudo rm -rf /usr/share/themes/{Materia,Flat-Plat}{,-compact,-dark,-dark-compact,-light,-light-compact}

• To properly display the theme, use a font family including Medium weight (such as Roboto or M+).
• Set the font size to 9.75 (= 13px at 96dpi) or 10.5 (= 14px at 96dpi).

To use the Chrome theme;

1. Open the chrome folder on /usr/share/themes/Materia<-variant>.
2. Drag and drop the .crx files onto the Chrome/Chromium Extensions page: chrome://extensions

You can change the GDM (lock/login screen) theme by replacing the default GNOME Shell theme.
See the wiki for details: https://github.com/nana-4/materia-theme/wiki/GDM-Theme

_{Previews Info: Icon Theme: Paper | Font: M+ 1C 9.75pt | Dock's icon size: 48px + fixed | Wallpapers}

If you find bugs or have suggestions, please report it to the issue tracker. Any contribution would be much appreciated.

See also (if necessary): TODO.md and HACKING.md

Materia is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.

• This theme is based on Adwaita by GNOME.
• The included symbolic icons are based on Material Design icons by Google.
• Chrome/Chromium scrollbars extension was forked from Adwaita-chrome-scrollbar by GNOME Integration Team.
• The original concept is Google's Material Design.
• Yauhen Kirylau (@actionless) who is oomox author polished scripts and supported Materia with oomox.
• @n3oxmind helped improve the installation script.

Also thank you to all contributors and upstream developers.