open-props/gray.shadow.min.css

<div align="center"> 

:host{--gray-0:#f8f9fa;--gray-1:#f1f3f5;--gray-2:#e9ecef;--gray-3:#dee2e6;--gray-4:#ced4da;--gray-5:#adb5bd;--gray-6:#868e96;--gray-7:#495057;--gray-8:#343a40;--gray-9:#212529;--gray-10:#16191d;--gray-11:#0d0f12;--gray-12:#030507}