body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #f0f0f0;
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    line-height: 1.6;
}

header {
    text-align: center;
    border-bottom: 3px solid #ff0000;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

h1 {
    color: #ff0000;
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h2 {
    color: #ffcc00;
    border-left: 4px solid #ff0000;
    padding-left: 10px;
    margin-top: 30px;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 2px solid #333;
    display: block;
    margin: 20px auto;
}

ul {
    background-color: #1e1e1e;
    padding: 20px 20px 20px 40px;
    border-radius: 8px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #ffcc00;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.centralizado {
    text-align: center;
}

.opcoes {
    margin-top: 40px;
    text-align: center;
}

a.botao {
    display: inline-block;
    background-color: #ff0000;
    color: white;
    padding: 15px 30px;
    margin: 10px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: background 0.3s;
}

a.botao:hover {
    background-color: #cc0000;
    text-decoration: none;
}

.voltar {
    display: block;
    margin-top: 40px;
    color: #ffcc00;
    text-decoration: none;
}