body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #343a40;
    color: white;
    padding: 20px 0;
    text-align: center;
}

.header h1 {
    margin: 0;
    font-size: 2.5rem;
}

.container {
    margin-top: 20px;
}

.card {
    margin: 15px 0;
}

.card img {
    border-radius: 0.5rem;
}

.footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}