html, body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  background-color: #eee;
}

* {
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

#app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px;
  height: 100%;
}

ul, ol {
  margin-left: 1rem;
}
ul li, ol li {
  margin-bottom: 4px;
}

dl {
  margin: 0;
  padding: 0;
}
dl dt {
  font-weight: 700;
}
dl dd {
  margin: 0 0 12px 0;
}

.card {
  background-color: #fff;
  padding: 12px;
  margin-bottom: 12px;
}
.card h2 {
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid #ddd;
  font-size: 22px;
}

.input {
  min-width: 100px;
  padding: 2px 4px;
  font: inherit;
  border: 1px solid #888;
  border-radius: 4px;
  background-color: #fff;
}

*:last-child { margin-bottom: 0; }

@media (prefers-color-scheme: dark) {
  html, body {
    background-color: #333;
    color: #eee;
  }

  a { color: #ade; }

  .card { background-color: #444; }
  .card h2 { border-color: #333; }
}