body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #444;
    color: white;
    padding: 10px 0;
    text-align: center;
}

.container {
    display: flex;
    margin: 20px;
}

.sidebar {
    width: 250px;
    background-color: #f4f4f4;
    padding: 15px;
    margin-right: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.content {
    flex: 1;
    padding: 20px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar h2 {
    margin-top: 0;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
}

.sidebar ul li {
    margin: 10px 0;
}

.sidebar ul li a {
    text-decoration: none;
    color: #333;
}

.sidebar ul li a:hover {
    text-decoration: underline;
}


footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.8em;
    padding: 10px 0;
}

/* Cards layout */
.cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.card {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 8px;
    background-color: #f9f9f9;
    width: calc(33.333% - 40px);
    /* Three cards per row */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-10px);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.card p {
    font-size: 1rem;
    margin-bottom: 20px;
}

.btn {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

.btn:hover {
    background-color: #0056b3;
}