body {
  background-color: #eff0f1;
}

.main {
  margin: auto;
  background-color: white;
  padding: 5px;
  width: 80%;
  border: 1px solid #bac8b8;
}

h1 {
    color: #ff5600;
}

.footer {
    width: 100%;
    background-color: #4b4b4d;
}

.chart-group {
    text-align: center;
}

.chart {
    width: 800px; 
    margin: auto;
}