body {
  font: 18px/1.5 -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
  margin: 10px auto;
  max-width: 800px;
  /* fix weird shifting from scrollbar */
  padding-left: calc(100vw - 100%);
}
h1,
h2,
h3 {
  line-height: 1.2;
}
.main-content {
  padding: 0.5em;
}
.nav-bar {
  display: flex;
  justify-content: space-around;
}
.nav-bar > * {
  display: flex;
  flex-grow: 1;
  justify-content: center;
}
.global-header {
  display: flex;
  justify-content: space-around;
  padding: 0.25em;
}
@media (max-width: 600px) {
  .global-header {
    flex-direction: column;
    flex-wrap: wrap;
  }
}
.global-header > div {
  display: flex;
  flex-grow: 1;
  justify-content: center;
  padding-left: 0.25em;
  padding-right: 0.25em;
}
h2 {
  text-align: center;
}
@media (prefers-color-scheme: dark) {
  body {
    color: white;
    background: #111;
  }
  a:link {
    color: #5bf;
  }
  a:visited {
    color: #ccf;
  }
}
ul {
  margin-top: 0;
}
.sentinels-summary ul {
  margin-top: 0;
  margin-bottom: 0;
}