If you're looking for my art blog, you probasbly want art.mcyoung.xyz, instead.
The Jekyll theme is derived from the "Hyde" theme; all that comes with an MIT license which can be found here: https://github.com/poole/hyde/blob/master/LICENSE.md
The content itself is (c) Miguel Young de la Sota, licensed as CC BY-SA.