body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f9f9f9;
}
header {
    text-align: center;
    margin-bottom: 20px;
}
nav {
    text-align: center;
    margin-bottom: 20px;
}
nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #007BFF;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
h1 {
    text-align: center;
    color: #333;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: #fff;
}
th, td {
    border: 1px solid #ddd;
    text-align: center;
    padding: 8px;
}
th {
    background-color: #f4f4f4;
    color: #333;
}
tr:nth-child(even) {
    background-color: #f2f2f2;
}
a {
    color: #007BFF;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.text-container {
    text-align: center;
    line-height: 1.6;
}

.text-container h3 {
    margin-bottom: 20px;
}

.text-container p {
    margin-bottom: 15px;
}