.nav-products,
.nav-features {
    display: none;
}

main .content {
    display: inline-block;
    max-width: 50em;
    padding: 2em 1em;
    margin: 2em auto;
    text-align: left;
}

main .content h1 {
    text-align: center;
    margin-bottom: 1rem;

}

main .content h2 {
    font-size: 2em;
    margin-bottom: 0.25em;
}

main .content h3 {
    font-size: 1.5em;
    margin-bottom: 0.25em;
}

main .content h4 {
    margin-bottom: 0.25em;
}

main .content p {
    line-height: 1.5em;
}

main .content li {
    margin-left: 1.5em;
    list-style: disc;
    line-height: 1.5em;
}

.floatright {
    float: right;
}

.update-date {
    text-align: right;
}

@media only screen and (min-width: 40em) {
    main .content {
        padding: 2.5em;
        border: #eee solid 1px;
        margin: 2em 1em;
    }
}

@media only screen and (min-width: 52em) {
    main .content {
        margin: 2em auto;
    }
}