html,
body {
    margin: 0;
}

body {
    font-family: Helvetica Neue, Arial, Noto Sans, sans-serif;
    background-attachment: fixed;
    text-align: center;
}

@media screen and (max-width:1100px) {
    .page {
        width: calc(100% - 80px);
    }
}

@media screen and (max-width:800px) {
    .page {
        max-width: 350px;
    }
}

@media screen and (max-width:550px) {
    .page {
        margin-left: 0;
        margin-right: 0;
        width: calc(100% - 40px);
        max-width: 100%;
    }
}

@media screen and (min-width:800px) {
    .page .columns {
        display: flex;
        flex-direction: row;
        align-items: stretch;
    }

    .page .columns .section {
        flex: 1;
    }
}

h3 {
    width: 100%;
}

.info {
    color: #999;
    font-size: small;
}