body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

header ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 15px;
}

header ul li a {
    text-decoration: none;
    color: darkblue;
    font-weight: bold;
}

header ul li a:hover {
    color: red;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 20px;
}

th, td {
    border: 1px solid black;
    padding: 5px 10px;
    text-align: left;
}

footer {
    margin-top: 20px;
    border-top: 1px solid #ccc;
    padding-top: 10px;
}