This theme is basically the default Mint-X theme with some graphics (check/radio boxes, switch buttons, etc.) from the Mint-Y theme. It's called Mint-XY-Greybird-Blue because I changed all accent colors to the color blue used by the Greybird theme.
- **This theme is compatible with gtk3 version 3.18.x (Linux Mint 18+)** - **This theme is NOT compatible with gtk3 version 3.10.x (Linux Mint 17.x)** - **This theme is NOT compatible with gtk3 versions 3.20.x nor 3.22.x (Ubuntu 16.10 or Arch Linux)**