/* mobile first */
body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    padding: 0;
}

.main {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 0.5em 1em;
}

aside {
    order: -1; /* override source order to put navi first */
}

/* desktop second */
@media (min-width: 850px) {
    body {

        padding: 0 2em;
    }

    .main {
        flex-direction: row;
        flex: 1;
        padding: 1em 2em;
    }

    main {
        flex: 1;
        padding-left: 2em;
    }

    aside {
        flex: 0 0 20%;
    }
}

.alignfix {
    margin-left: 11%;
}