body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  max-width: 80%;
  margin: auto;
}

em {
  color: #ccc;
}

figure {
  text-align: center;
}

svg {
  max-width: 100%;
}

table {
  border-collapse: collapse;
  margin: auto;
  width: 100%;
  table-layout: fixed;
  margin-bottom: 1rem;
}

table,
td,
th {
  border: solid 1px #ccc;
  padding: 5px;
  text-align: center;
}

thead {
  font-weight: bold;
  background-color: rgb(243, 243, 243);
  display: table-header-group;
}

tr td:nth-child(1) {
  text-align: left;
}

.index-h3 {
  margin-left: 15px;
}

.na {
  background-color: #eee;
  color: #999;
}