body {
  font-family: system-ui, sans-serif;
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #ddd;
}

.banner {
  background: #fff3cd;
  border: 1px solid #ffe69c;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th, td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid #eee;
}

textarea {
  width: 100%;
  max-width: 400px;
}