body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #000b69;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    color: #444;
    border-bottom: 2px solid #ccc;
    padding-bottom: 10px;
    margin-top: 0;
}

article {
    background: #fff;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #fa5a5a;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}