body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #111111;
  line-height: 1.6;
}

.page {
  width: 85%;
  max-width: 900px;
  margin: 20px auto;
  background-color: #ffffff;
  padding: 20px;
  border: 1px solid #cccccc;
}

.site-header {
  text-align: center;
  margin-bottom: 20px;
}

h1 {
  margin-bottom: 8px;
  font-family: "Times New Roman", serif;
}

h2 {
  font-family: "Times New Roman", serif;
}

.subtitle {
  margin: 0;
}

.site-nav {
  margin-bottom: 20px;
  padding: 10px 0;
  border-top: 1px solid #cccccc;
  border-bottom: 1px solid #cccccc;
  text-align: center;
}

.site-nav a {
  margin: 0 10px;
  color: #0000cc;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
}

.site-nav a.active {
  font-weight: bold;
}

section {
  margin-bottom: 24px;
}

ul {
  padding-left: 20px;
}

ol {
  padding-left: 20px;
}

.intro-box,
.card,
table,
.basic-form {
  margin-top: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.card {
  border: 1px solid #cccccc;
  padding: 12px;
  background-color: #fafafa;
}

.card h3 {
  margin-top: 0;
  font-family: "Times New Roman", serif;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border: 1px solid #999999;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #e9e9e9;
}

.basic-form {
  border: 1px solid #cccccc;
  padding: 15px;
  background-color: #fafafa;
}

.basic-form label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
  font-weight: bold;
}

.basic-form input,
.basic-form select,
.basic-form textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #aaaaaa;
  font-family: Arial, sans-serif;
  font-size: 15px;
}

.basic-form button {
  margin-top: 14px;
  padding: 10px 16px;
  border: 1px solid #666666;
  background-color: #e6e6e6;
  cursor: pointer;
}

.site-footer {
  margin-top: 25px;
  padding-top: 10px;
  border-top: 1px solid #cccccc;
  text-align: center;
  font-size: 14px;
}

@media (max-width: 700px) {
  .page {
    width: 94%;
    padding: 15px;
  }

  .site-nav a {
    display: inline-block;
    margin: 6px 8px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}