#page {
    display: flex;
    flex-direction: column;
    transition: margin .5s;
}


/*** page layout ***/

/* full-width content column */
.content, .comments, .comment-form, #sidebar {
    width: 100%;
    max-width: 35rem;  /* 70% * 50rem */
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem 0;
}

.content {
    order: 1;
    padding-bottom: 2rem;
}

#sidebar {
    order: 2;
}

.comments {
    order: 3;
}

.comment-form {
    order: 4;
    padding-bottom: 2rem;
}


/* hide some sidebar content */

#sidebar .recent, #sidebar .recent-comments {
    display: none;
}

  
/* footnotes expand inline on click */

label.footnote-toggle {
    display: inline;
    cursor: pointer;
}

a.footref {
    display: none;
}

a.footref-label {
    display: inline;
}

.footdef {
    display: none;
}

input.footnote-toggle:checked + .footdef {
    display: block;
    float: left;
    clear: both;
    width: 95%;
    margin: 1rem 2.5%;
    vertical-align: baseline;
    position: relative;
}