:root {--physics_spectrum-color-1: #6A0DAD;
--physics_spectrum-color-2: #4B0082;
--physics_spectrum-color-3: #0000FF;
--physics_spectrum-color-4: #00FF00;
--physics_spectrum-color-5: #FFFF00;
--physics_spectrum-color-6: #FF7F00;
--physics_spectrum-color-7: #FF0000;
} 