// 暗影
$ivue-elevation-umbra-color: rgba(0, 0, 0, 0.2);
// 半影
$ivue-elevation-penumbra-color: rgba(0, 0, 0, 0.14);
// 周围
$ivue-elevation-ambient-color: rgba(0, 0, 0, 0.12);

$ivue-elevation-umbra: (
  0: '0 0 0 0',
  1: '0 2px 1px -1px',
  2: '0 3px 1px -2px',
  3: '0 3px 3px -2px',
  4: '0 2px 4px -1px',
  5: '0 3px 5px -1px',
  6: '0 3px 5px -1px',
  7: '0 4px 5px -2px',
  8: '0 5px 5px -3px',
  9: '0 5px 6px -3px',
  10: '0 6px 6px -3px',
  11: '0 6px 7px -4px',
  12: '0 7px 8px -4px',
  13: '0 7px 8px -4px',
  14: '0 7px 9px -4px',
  15: '0 8px 9px -5px',
  16: '0 8px 10px -5px',
  17: '0 8px 11px -5px',
  18: '0 9px 11px -5px',
  19: '0 9px 12px -6px',
  20: '0 10px 13px -6px',
  21: '0 10px 13px -6px',
  22: '0 10px 14px -6px',
  23: '0 11px 14px -7px',
  24: '0 11px 15px -7px',
);

$ivue-elevation-penumbra: (
  0: '0 0 0 0',
  1: '0 1px 1px 0',
  2: '0 2px 2px 0',
  3: '0 3px 4px 0',
  4: '0 4px 5px 0',
  5: '0 5px 8px 0',
  6: '0 6px 10px 0',
  7: '0 7px 10px 1px',
  8: '0 8px 10px 1px',
  9: '0 9px 12px 1px',
  10: '0 10px 14px 1px',
  11: '0 11px 15px 1px',
  12: '0 12px 17px 2px',
  13: '0 13px 19px 2px',
  14: '0 14px 21px 2px',
  15: '0 15px 22px 2px',
  16: '0 16px 24px 2px',
  17: '0 17px 26px 2px',
  18: '0 18px 28px 2px',
  19: '0 19px 29px 2px',
  20: '0 20px 31px 3px',
  21: '0 21px 33px 3px',
  22: '0 22px 35px 3px',
  23: '0 23px 36px 3px',
  24: '0 24px 38px 3px',
);

$ivue-elevation-ambient: (
  0: '0 0 0 0',
  1: '0 1px 3px 0',
  2: '0 1px 5px 0',
  3: '0 1px 8px 0',
  4: '0 1px 10px 0',
  5: '0 1px 14px 0',
  6: '0 1px 18px 0',
  7: '0 2px 16px 1px',
  8: '0 3px 14px 2px',
  9: '0 3px 16px 2px',
  10: '0 4px 18px 3px',
  11: '0 4px 20px 3px',
  12: '0 5px 22px 4px',
  13: '0 5px 24px 4px',
  14: '0 5px 26px 4px',
  15: '0 6px 28px 5px',
  16: '0 6px 30px 5px',
  17: '0 6px 32px 5px',
  18: '0 7px 34px 6px',
  19: '0 7px 36px 6px',
  20: '0 8px 38px 7px',
  21: '0 8px 40px 7px',
  22: '0 8px 42px 7px',
  23: '0 9px 44px 8px',
  24: '0 9px 46px 8px',
);