body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #ff9900;
    color: white;
    padding: 20px;
}

.conteudo {
    max-width: 600px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

img {
    width: 100%;
    border-radius: 10px;
}

.botao-compra {
    display: inline-block;
    padding: 15px 20px;
    margin: 20px 0;
    background: #ff9900;
    color: white;
    text-decoration: none;
    font-size: 18px;
    border-radius: 5px;
    transition: 0.3s;
}

.botao-compra:hover {
    background: #e68a00;
}

footer {
    background: #222;
    color: white;
    padding: 10px;
    margin-top: 20px;
}