open-props/src/shadow.props.stone.css

<div align="center">

:host {
  --stone-0: #f8fafb;
  --stone-1: #f2f4f6;
  --stone-2: #ebedef;
  --stone-3: #e0e4e5;
  --stone-4: #d1d6d8;
  --stone-5: #b1b6b9;
  --stone-6: #979b9d;
  --stone-7: #7e8282;
  --stone-8: #666968;
  --stone-9: #50514f;
  --stone-10: #3a3a37;
  --stone-11: #252521;
  --stone-12: #121210;
}