.shadow-4 {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15), 0 2px 2px rgba(0, 0, 0, 0.15),
    0 4px 4px rgba(0, 0, 0, 0.15), 0 8px 8px rgba(0, 0, 0, 0.15);
}

.shadow-5 {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.12), 0 2px 2px rgba(0, 0, 0, 0.12),
    0 4px 4px rgba(0, 0, 0, 0.12), 0 8px 8px rgba(0, 0, 0, 0.12),
    0 16px 16px rgba(0, 0, 0, 0.12);
}

.shadow-6 {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.11), 0 2px 2px rgba(0, 0, 0, 0.11),
    0 4px 4px rgba(0, 0, 0, 0.11), 0 8px 8px rgba(0, 0, 0, 0.11),
    0 16px 16px rgba(0, 0, 0, 0.11), 0 32px 32px rgba(0, 0, 0, 0.11);
}

.shadow-sharp {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.25), 0 2px 2px rgba(0, 0, 0, 0.2),
    0 4px 4px rgba(0, 0, 0, 0.15), 0 8px 8px rgba(0, 0, 0, 0.1),
    0 16px 16px rgba(0, 0, 0, 0.05);
}

.shadow-diffuse {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08), 0 2px 2px rgba(0, 0, 0, 0.12),
    0 4px 4px rgba(0, 0, 0, 0.16), 0 8px 8px rgba(0, 0, 0, 0.2);
}

.shadow-dreamy {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.07),
    0 4px 8px rgba(0, 0, 0, 0.07), 0 8px 16px rgba(0, 0, 0, 0.07),
    0 16px 32px rgba(0, 0, 0, 0.07), 0 32px 64px rgba(0, 0, 0, 0.07);
}

.shadow-shorter {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.11), 0 2px 2px rgba(0, 0, 0, 0.11),
    0 4px 4px rgba(0, 0, 0, 0.11), 0 6px 8px rgba(0, 0, 0, 0.11),
    0 8px 16px rgba(0, 0, 0, 0.11);
}

.shadow-longer {
  box-shadow: 0 2px 1px rgba(0, 0, 0, 0.09), 0 4px 2px rgba(0, 0, 0, 0.09),
    0 8px 4px rgba(0, 0, 0, 0.09), 0 16px 8px rgba(0, 0, 0, 0.09),
    0 32px 16px rgba(0, 0, 0, 0.09);
}