The font is Iosevka, which I also use for all my terminals and text editors. It’s great! (I realize that I am a crazy person for using a monospaced font for body text. It just looks so much more normal to me.)
The terminal theme asks that this license be included with derived works:
The MIT License (MIT) Copyright (c) 2019 panr Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
The Iosevka font asks that this license be included with binary forms of the font, which your browser downloaded for you:
Copyright 2015-2020, Belleve Invis (email@example.com). This Font Software is licensed under the SIL Open Font License, Version 1.1.
The full SIL Open Font License is available externally.