body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header {
    background-color: #ffffff;
    border-bottom: 2px solid #0B3954;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
header img {
    height: 60px;
}
nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #0B3954;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
.banner {
    background: url('banner.jpg') no-repeat center center/cover;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    font-weight: bold;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.6);
    animation: fadeIn 3s ease-in-out infinite alternate;
}
@keyframes fadeIn {
    from { opacity: 0.6; }
    to { opacity: 1; }
}
.container {
    padding: 40px;
    max-width: 1000px;
    margin: auto;
}
footer {
    background-color: #0B3954;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
}