.hero {
    background: url('https://picsum.photos/seed/panels/1600/600') center/cover no-repeat;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.8);
    font-size: 3rem;
    font-weight: bold;
}
footer {
    background: #0B3D91;
    color: white;
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}