body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #ffffff;
  margin: 0;
  padding: 0;
}

.chart-container {
  width: 95%;
  max-width: 900px;
  height: 400px;
  margin: auto;
  background: #ffffff !important;
  border: none !important;
  box-shadow: none !important;
  padding: 10px;
}

canvas {
  background: #ffffff !important;
  width: 100% !important;
  height: 100% !important;
}