body {
    background-image: url('../historia/assets/background.png');
}

#content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    height: 100vh;
    max-width: 1500px;
    margin: 0px auto;
}

.link {
    filter: brightness(0.9);
    margin: 50px 30px;
}

.link:hover {
    filter: brightness(1.0);
}

.link img {
    max-width: 100%;
}