html { font-size: 1.25em;
       font-family: 'Biolinum', sans-serif;
       font-feature-settings:"onum" 1, "kern" 1, "liga" 1;
       text-rendering: optimizeLegibility;
}

body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #fffbf0;
    margin-top: 0;
    margin-bottom: 0;
}

body main {
    flex: 1 0 auto;
}
body header,
body footer {
  flex: none;
}

@media screen and (min-width: 800px) {
    body #content,
    body main,
    body header,
    body footer {
        margin: 0 auto;
        max-width: 800px;
        width: 800px;
    }
    body header {
        margin-top: 4rem;
    }

}

body a {
    text-decoration: none;
    color: inherit;
}

/* from tufte-css */
@media screen {
    body a {
        background: linear-gradient(#fffff8, #fffff8), linear-gradient(#fffff8, #fffff8), linear-gradient(#333, #333);
        background-size: 0.05em 1px, 0.05em 1px, 1px 1px;
        background-repeat: no-repeat, no-repeat, repeat-x;
        text-shadow: 0.03em 0 #fffff8, -0.03em 0 #fffff8, 0 0.03em #fffff8, 0 -0.03em #fffff8, 0.06em 0 #fffff8, -0.06em 0 #fffff8, 0.09em 0 #fffff8, -0.09em 0 #fffff8, 0.12em 0 #fffff8, -0.12em 0 #fffff8, 0.15em 0 #fffff8, -0.15em 0 #fffff8;
        background-position: 0% 93%, 100% 93%, 0% 93%; 
    }
}

body h1 a,
body .title a,
body .subtitle a,
body h2 a,
body h3 a,
body h4 a,
body nav a {
    background: none;
}

body .title,
body .subtitle,
body h2,
body h3,
body h4,
body nav {
    font-family: "Open Sans", "Fira Sans", sans-serif;
    font-weight: normal;
    text-transform: uppercase;
    margin: 0;
    padding: 0;
    hyphens: none;
}

body h2 {
    margin-top: 1.5em;
    font-size: 1.25em;
}

body h3 {
    font-size: 1.05em;
    margin-top: 1.1em;
}

body h2,
body h3,
body h4 {
    line-height: 1.1em;
}

body h1 b,
body h2 b,
body h3 b,
body h4 b {
    font-weight: inherit;
}

@media screen and (min-width: 800px) {
    body h1 b,
    body h2 b,
    body h3 b,
    body h4 b {
        display: block;
        font-size: 1.38em;
        font-weight: initial;
    }

    body header .title b {
        margin-top:-.35em;
    }

}

body header {
    padding-bottom: 1ex;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: .5ex solid black;
}

body header .title,
body header .subtitle {
    padding: 0;
    margin: 0;
    text-align: center;
    display: block;
}

body header .title {
    font-size: 1.5rem;
}


body header .subtitle,
body nav {
    margin-top: 1em;
    font-size: 1rem;
}


body nav > a {
    margin: 0 1ex;
}


@media screen and (min-width: 800px) {
    body header {
        flex-direction: row;
        align-items: flex-start;
        align-content: flex-start;
        justify-content: space-between;
    }

    body header .subtitle,
    body header nav {
        margin: 0;
        font-size: 1.15rem
    }
    
    body header .title,
    body header .subtitle {
        text-align: left;
        margin: 0;
    }

    body header .title {
        font-size: 1.75rem;
    }
}

body .abstract {
    font-style: italic;
}

body .keywords {
    font-size: .95rem;
    text-align: left;
}

body .keywords p {
    text-align: left;
}


body .abstract,
body .keywords {
    margin: 1rem 1rem;
}

@media print, (min-width: 800px){
    body .keywords,
    body .abstract {
        margin: 1em 2em;
    }
}


body p {
    text-align: justify;
    hyphens: auto;
    line-height: 1.5rem;
}

body main img {
    display: block;
    margin: 0 auto;
    border-radius: .3em;
    border: 1px solid #d4cbb6;
    max-width: 100%;
}

body a[href^="#coderef"],
body code {
    font-family: "Source Code Pro", monospace;
    font-size: .85rem;
}

body pre {
    white-space: pre-wrap;
    margin-left: 1em;
}

@media screen and (min-width: 800px){
    body pre {
        margin-left: 2em;
    }
}


.src {
    font-family: "Source Code Pro", monospace;
    background-color: #fef6e0;
    border-radius: .3em;
    border: 1px solid #d4cbb6;
    padding: .8em 1.2em .4em;
    font-size: .75rem;
}

.org-builtin {
    /* font-lock-builtin-face */
    color: #483d8b;
}

.org-comment {
    /* font-lock-comment-face */
    color: #b22222;
}

.org-comment-delimiter {
    /* font-lock-comment-delimiter-face */
    color: #b22222;
}

.org-constant {
    /* font-lock-constant-face */
    color: #008b8b;

}
.org-doc {
    /* font-lock-doc-face */
    color: #8b2252;
}
.org-keyword {
    /* font-lock-keyword-face */
    color: #a020f0;
}

.org-function-name {
    /* font-lock-function-name-face */
    color: #0000ff;
}

.org-string {
    /* font-lock-string-face */
    color: #8b2252;
}

.org-variable-name {
    /* font-lock-variable-name-face */
    color: #a0522d;
}

.org-left {
    text-align: left;
}

.org-right {
    text-align: right;
}


body footer {
    margin-top:2rem;
    font-size: .75rem;
    color: #888888;
}

body footer a {
    color: #888888;
}

body footer p {
    text-align: center;
}

@media screen and (min-width: 800px) {
    body footer {
        margin-top: 2em;
    }
}

.small-caps {
    font-feature-settings: "smcp";
}

ul {
    list-style-type: square;
}

dl {
    width:100%;
    overflow: hidden;           /*I don't understand how there can even be overflow...*/
}

dl dt, dl dd {
    float:left;}


dl dd {padding-bottom: .5em;
            margin-left:1em;}
dl dt {width:100%;
       font-weight: bold;
      }



@media print, (min-width: 800px) {
    body dl dt {
        width:17%;
    }
    body dl dd {
        width:83%;
        margin-left:0;
    }
}

body dd ul {margin: .5ex;}

.email-adr span {display: none}
.email-adr:before {content: attr(before) "@";}
.email-adr:after {content: attr(after);}

/* blog articles */

.article-info {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    font-size: .9rem;
    font-style: italic;
}

.article-info p {
    margin:0;
}

/* imgs */

.flexrow {
  display: flex;
}

.col50 {
  flex: 50%;
  padding: 5px;
}

/* figure captions */
figcaption {
    text-align: center;
}

/* footnote */

#footnotes {font-size: .9em;
    border-top:1px solid black;
    position: relative;
    padding-top: .5em;
    margin-top: 1.5em;
}

#footnotes:after {
    padding:0;
    margin:0;
    display:block;/* probably not really needed? */
    content: "";
    width:65%;
    height:1.1px;/* slight higher to work around rounding errors(?) on some zoom levels in some browsers. */
     background-color: #fffbf0;
    position: absolute;
    right:0;
    top:-1px;
}

h2.footnotes { display: none}

.footpara, .footdef > sup {
    display: inline;
}

/* tables, from tufte css  */
/* https://pank.eu/blog/online-lectures.html */

table {
  border-top: 2px solid #111;
  border-bottom: 2px solid #111;
}

th {
  border-bottom: 1px solid #111;
}

tr {
    display: table-row;
    vertical-align: inherit;
    padding-left: 0px;
}

td {
    padding-left:   0px;
    padding-right: 10px;
}

/* clean up when printing */
@media print {
    html {
        font-size: 1em;
    }
    body nav {
        display:none
    }
    body header,
    body h2,
    body h3 {
        font-size: 110%;
        border-bottom: none;
    }
    body abbr {
        text-decoration: none;
    }
    body header .subtitle {
        margin-top: 0em;
    }
    body abbr {border-bottom-width: 0;}
    main {
        position:absolute;
    }
    div[class="outline-3"]{
        page-break-before: auto;
        page-break-after: auto;
        page-break-inside: avoid;
    }
    /* the footer doesn't place right in Fx */
    footer {
        display: none;
    }
}