body {
    font-family: Arial, sans-serif;
    background: #f5f7fa;
    margin: 0;
    padding: 0;
}

header {
    background: #003366;
    color: white;
    padding: 20px;
    text-align: center;
}

.container {
    width: 80%;
    margin: auto;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0px 2px 10px rgba(0,0,0,0.1);
}

a {
    text-decoration: none;
    color: #003366;
    font-weight: bold;
}