body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f6f7;
    color: #2e7d32;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    flex: 1;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.card {
    background: rgb(218, 208, 208);
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.card h1,
.card h2,
.card h3 {
    color: #2e7d32;
}

.card p,
p {
    font-size: 18px;
    line-height: 1.6;
}

footer {
    background: #222;
    color: #ddd;
    text-align: center;
    padding: 30px;
    margin-top: 60px;
    font-size: 18px;
}