opacity property

Implementation

static Map<String, double> opacity = {
  '0': 0.0,
  '5': 0.05,
  '10': 0.1,
  '20': 0.2,
  '25': 0.25,
  '30': 0.3,
  '40': 0.4,
  '50': 0.5,
  '60': 0.6,
  '70': 0.7,
  '75': 0.75,
  '80': 0.8,
  '90': 0.9,
  '95': 0.95,
  '100': 1.0,
};