body {
    margin: 0;
    background-color: #000;
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.centro {
    display: flex;
    flex-direction: column;
    align-items: center;
}

img {
    max-width: 100%;
    height: auto;
}