Image Authors:

- adwaita*:
- symbolics-1.jpg:
- symbolics-2.jpg:
- DepthLava.png:
- Lava.png:
- Stripes.jpg:
- Wood.jpg:

  Copyright © 2011-2020 Jakub Steiner <jimmac@gmail.com>
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- Blinds.jpg:
  Copyright © 2008 Lennart Poettering <mztabzr@0pointer.de>
  Copyright © 2008 Andrea Cimitan
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- FootFall.png:
  Copyright © 2011 Nieves Sánchez Martínez <nievesanchez@hotmail.com>
  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.

- IceCrystals.jpg:
  Egor Kamalev, CC0, https://www.pexels.com/photo/close-up-photography-of-snowflake-813872/

- Leaf.jpg:
  Matthias Groeneveld, CC0, https://www.pexels.com/photo/photo-of-a-leaf-3021635/

- Road.jpg:
  CC0, Photo by Joshua Welch https://www.pexels.com/photo/bird-s-eye-view-of-roadway-surrounded-by-trees-1624600/  
  
- LightBulb.jpg, Loveles.jpg, Tree.jpg:
  Photo by Johannes Plenio, CC0,  
  https://www.pexels.com/photo/forest-at-night-2080963/,
  https://www.pexels.com/photo/4697538/,
  https://www.pexels.com/photo/clear-light-bulb-2044447/

- ColdWarm.jpg:
  Photo by invisiblepower, CC0, https://www.pexels.com/photo/above-aerial-bright-cold-343219/