body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    color: #222;
}

header {
    background: #005f73;
    color: white;
    padding: 40px;
    text-align: center;
}

main {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 20px;
}

.card {
    background: white;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.event {
    border-left: 5px solid #0a9396;
    padding: 15px;
    margin-top: 15px;
    background: #eef9f9;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 20px;
    color: #666;
}