.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)}