Hatsune Miku Theme (I guess) by armazone

This is my first attempt on making a theme for Firefox, hope you guys like it. Credit for art: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/1437187f8e946aac64acf55cd5673b6be5b64a627993fed6b1d8c302e1597b4b/https%3A//wall.alphacoders.com/big.php%3Fi=1306228" rel="nofollow">https://wall.alphacoders.com/big.php?i=1306228</a>