body {
      font-family: Arial, Helvetica, sans-serif;
      line-height: 1.6;
      margin: 0;
      padding: 0 2rem;
      max-width: 1000px;
      margin-left: auto;
      margin-right: auto;
    }
    header {
      margin-top: 2rem;
      margin-bottom: 2rem;
    }
    h1 {
      font-size: 2.2rem;
      margin-bottom: 0.5rem;
    }
    h2 {
      margin-top: 3rem;
      border-bottom: 2px solid #ddd;
      padding-bottom: 0.3rem;
    }
    h3 {
      margin-top: 2rem;
    }
    nav {
      background: #f5f5f5;
      padding: 1.5rem;
      border-radius: 8px;
      margin-bottom: 3rem;
    }
    nav ul {
      list-style: none;
      padding-left: 0;
    }
    nav li {
      margin: 0.4rem 0;
    }
    nav a {
      text-decoration: none;
      color: #0066cc;
    }
    nav a:hover {
      text-decoration: underline;
    }
    p {
      margin: 1rem 0;
    }
    section {
      scroll-margin-top: 2rem;
    }
    .table-wrap {
overflow-x: auto;
margin-top: 1rem;
margin-bottom: 2rem;
}
table {
border-collapse: collapse;
width: 100%;
margin-top: 0.5rem;
}
table th, table td {
border: 1px solid #ccc;
padding: 0.6rem 0.8rem;
text-align: left;
}
table th {
background-color: #f0f0f0;
}
table tbody tr:nth-child(even) {
background-color: #fafafa;
}
.caption {
font-style: italic;
margin-top: 1rem;
margin-bottom: 0.5rem;
}
.mono {
font-family: monospace;
background-color: #f9f9f9;
padding: 0 2px;
border-radius: 2px;
}
.nav{
  display: inline-block;
      padding: 0.5rem 1rem;
      background-color: #0066cc;
      color: white;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
}