body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f3f4f6;
    color: #222;
}

header {
    background: #005a9c;
    color: #fff;
    text-align: center;
    padding: 20px;
}

h1 {
    margin: 0;
    font-size: 1.8em;
}

p{
    text-align: center;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    padding: 20px;
    max-width: 1000px;
    margin: auto;
}

.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: scale(1.02);
}

.card img {
    width: 100%;
    height: auto;
    display: block;   
}

.caption {
    padding: 10px;
    font-size: 0.9em;
    color: #555;
    text-align: center;   
}

footer {
    text-align: center;
    color: #777;
    font-size: 0.85em;
    margin: 20px 0;
}   

a.voltar {
    display: inline-block;
    margin-top: 10px;
    color: #005a9c;
    text-decoration: none;
    font-weight: bold;
}

a.voltar:hover {
    text-decoration: underline;
}