html {
  font-family: Arial, Helvetica, sans-serif;
  margin-bottom: 40px;
}
.wrapper {
  display: block;
  position: relative;
  margin-right: auto;
  margin-left: auto;
  width: 100%;
  max-width: 768px;
}

.chartWrapper {
  display: block;
  margin-bottom: 80px;
}

.chart {
  width: 100%;
}

.alert {
  box-sizing: border-box;
  padding: 20px;
  border-radius: 8px;
  background-color: #f2f2f2;
}

.disclaimer {
  margin-bottom: 80px;
  margin-top: 40px;
}

ul.people,
ul.people li,
ul.people ul li {
  margin: 0;
  padding: 0;
  text-indent: 0;
  list-style: none;
}

.people > li {
  font-style: italic;
}

@media screen and (max-width: 640px) {
  html {
    margin-bottom: 10px;
  }

  .chartWrapper {
    margin-bottom: 30px;
  }

  .disclaimer {
    margin-bottom: 40px;
  }

  .alert {
    border-radius: 5px;
    font-size: 0.8rem;
  }
}