body {
  font-family: system-ui, sans-serif;
  line-height: 1.3;
  margin: 0;
  padding: 1rem;
}
main {
  max-width: 48rem;
}
button,
textarea {
  font: inherit;
}
button {
  padding: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}
h1,
h2,
h3 {
  margin-bottom: 0.5rem;
}
p {
  margin-bottom: 1.5rem;
}
ul,
ol {
  margin-bottom: 1.5rem;
  margin-left: 2rem;
  padding-left: 0;
}
nav ul {
  list-style: none;
  margin-left: 0;
}
nav li {
  display: inline-block;
  margin-right: 1rem;
}
pre {
  padding: 0.5rem;
  background-color: #eee;
}
code {
  font-size: 0.9375rem;
  line-height: 1.6;
}
table {
  text-align: left;
  border-collapse: collapse;
  border: 1px solid #ccc;
  margin-bottom: 1rem;
}
th,
td {
  border: 1px solid #ccc;
  padding: 0.25rem 0.5rem;
}
thead {
  text-align: left;
}
textarea {
  box-sizing: border-box;
  width: 100%;
  resize: vertical;
  font-family: monospace;
  margin-bottom: 1rem;
}

.doors ul {
  list-style: none;
  margin-left: 0;
}
.doors a {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.5rem 1.5rem;
  background-color: #222;
  color: #fff;
  text-decoration: none;
  font-size: 1.75rem;
  line-height: 1;
  font-weight: 700;
  text-wrap: balance;
}
.doors a:hover {
  background-color: teal;
}