body {
  margin: 40px auto;
  max-width: 800px;
  line-height: 1.6;
  font-size: 18px;
  color: #444;
  padding: 0 15px;
  font-family: sans-serif;
}

table {
  border-collapse: collapse;
  width: 100%;
  max-width: 800px;
  margin: 2rem 0;
  font-family: system-ui, -apple-system, sans-serif;
}

th, td {
  padding: 0.6rem 0.8rem;
  text-align: left;
}

th {
  border-bottom: 2px solid #000;
  font-weight: bold;
}

td {
  border-bottom: 1px solid #ccc;
}

tbody tr:nth-child(even) {
  background-color: #f6f6f6;
}