.page {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.content {
    padding: 0 1em;
    width: 100%;
}

@media screen and (min-width: 600px) {
    .content {
        max-width: 400px;
    }
}