* {
  margin: 0;
  padding: 0;
  font: inherit;
}

html {
  font-family: sans-serif;
  height: 100%;
}

body {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.main {
  padding: 1rem;
  text-align: center;
  margin: 0 auto;
  width: 100%;
  max-width: 60rem;
  background-color: #efefef;
  border: 1px solid #666;
  border-radius: 4px;
}

.title {
  font-size: 2rem;
  font-weight: bold;
}

.subtitle {
  font-size: 1.5rem;
  font-weight: bold;
}

.docs {
  font-size: 1.3rem;
  font-weight: bold;
}