body {
    background-color: #00345eab;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container-acesso-negado {
    text-align: center;
    padding: 40px 20px;
    color: #333;
    border-radius: 10px;
    animation: fadeIn 0.6s ease-in-out;
}

.erro-imagem {
    max-width: 40%;
    min-width: 350px;
    width: 25%;
    margin-bottom: 10px;
}

.container-acesso-negado h1 {
    font-weight: 900;
    font-size: 28px;
    color: #00335E;
    margin-bottom: 10px;
}

.container-acesso-negado p {
    font-size: 18px;
    color: white;
    font-weight: 900;
    margin-bottom: 20px;
}

.btn-voltar {
    display: inline-block;
    background-color: #00335E;
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-voltar:hover {
    background-color: #00294a;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}