* {
    box-sizing: border-box;
}

body {
    width: 100%;
    margin: 0;
    background-color: rgb(0, 0, 0);
}

main {
    background-color: rgba(255, 255, 255, 0.842);
    display: flex;
    width: 100%;
    max-width: 75%;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

img {
    border: 10px solid black;
    max-width: 100%;
    max-height: 100%;
}

pre {
    max-width: 100%;
    max-height: 100%;
}

.sobre {
    margin: 0 50px;
    text-align: justify;
}