Google material design elevation system shadows as css. Based on https://material.io/design/environment/elevation.html#default-elevations Exported with Sketchapp from the Google material design theme editor plugin "Baseline" theme.

material-design-shadows.css

.boxshadow-none { box-shadow: none; }
.boxshadow-1dp { box-shadow: 0 1px 1px 0 rgba(0,0,0,0.14), 0 2px 1px -1px rgba(0,0,0,0.12), 0 1px 3px 0 rgba(0,0,0,0.20); }
.boxshadow-2dp { box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.12), 0 1px 5px 0 rgba(0,0,0,0.20); }
.boxshadow-3dp { box-shadow: 0 3px 4px 0 rgba(0,0,0,0.14), 0 3px 3px -2px rgba(0,0,0,0.12), 0 1px 8px 0 rgba(0,0,0,0.20); }
.boxshadow-4dp { box-shadow: 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12), 0 2px 4px -1px rgba(0,0,0,0.20); }
.boxshadow-6dp { box-shadow: 0 6px 10px 0 rgba(0,0,0,0.14), 0 1px 18px 0 rgba(0,0,0,0.12), 0 3px 5px -1px rgba(0,0,0,0.20); }
.boxshadow-8dp { box-shadow: 0 8px 10px 1px rgba(0,0,0,0.14), 0 3px 14px 2px rgba(0,0,0,0.12), 0 5px 5px -3px rgba(0,0,0,0.20); }
.boxshadow-9dp { box-shadow: 0 9px 12px 1px rgba(0,0,0,0.14), 0 3px 16px 2px rgba(0,0,0,0.12), 0 5px 6px -3px rgba(0,0,0,0.20); }
.boxshadow-12dp { box-shadow: 0 12px 17px 2px rgba(0,0,0,0.14), 0 5px 22px 4px rgba(0,0,0,0.12), 0 7px 8px -4px rgba(0,0,0,0.20); }
.boxshadow-16dp { box-shadow: 0 16px 24px 2px rgba(0,0,0,0.14), 0 6px 30px 5px rgba(0,0,0,0.12), 0 8px 10px -5px rgba(0,0,0,0.20); }
.boxshadow-24dp { box-shadow: 0 24px 38px 3px rgba(0,0,0,0.14), 0 9px 46px 8px rgba(0,0,0,0.12), 0 11px 15px -7px rgba(0,0,0,0.20); }