wp.css

:root {
  /*--background: #2888b8;*/
  --pagedjs-width: 210mm;
  --color-paper: white;
  --screen-pages-spacing: 5mm;
  --header-width: 462px;
  --header-image-padding: 18px;
}

html {
  font-size: 12px;
}

/* article header */
.document-header {
  border-width: 4px 0;
  border-style: solid;
  width: var(--header-width);
  position: relative;
  margin-left: auto;
  margin-bottom: 110px;
}
.document-header::before {
  content: "";
  display: block;
  position: absolute;
  left: calc(var(--header-width) - var(--pagedjs-width) + var(--pagedjs-margin-left) + var(--pagedjs-margin-right));
  border-width: 4px 0;
  border-style: solid;
  border-color: transparent;
  top: -4px;
  height: 100%;
  width: calc(var(--pagedjs-width) - var(--pagedjs-margin-left) - var(--pagedjs-margin-right) - var(--header-width) - var(--header-image-padding));
  background-clip: border-box;
  background-image: url(https://www.jstatsoft.org/public/site/images/jstatsoft/jsslogo.jpg);
  background-size: contain;
  background-repeat: no-repeat;
  background-origin: border-box;
}
.journal-name {
  padding-top: 14px;
  padding-left: 20px;
  filter: invert(100%);
  height: 50px;
}
.header-meta {
  font-style: italic;
  margin: 6px 0;
  font-size: 14px;
}
.header-meta .doi {
  float: right;
}

/* title */
h1.title {
  text-align: center;
}

/* authors block */
.authors-container {
  display: flex;
  flex-direction: row-reverse;
  flex-wrap: wrap-reverse;
  justify-content: space-around;
}
.author-item {
  text-align: center;
  padding: 0 6px;
  flex: 1 1 33%;
  order: calc(-1 * var(--rank));
}
.author {
  font-weight: bold;
}
.author-affil {
  font-size: 14px;
}

/* CL&PB:date (+) */
.date {
  font-size: 14px;
  text-align: center;
  font-weight: normal;
}

/* CL&PB:download-link (+) */
.download-link {
  font-size: 14px;
  text-align: center;
  font-weight: normal;
}

/* abstract */
.abstract {
  border-width: 1px 0;
  border-style: solid;
  margin-top: 8px;
  margin-bottom: 50px;
}
h2.abstract-header {
  font-size: 14px;
  text-align: center;
}
.abstract-content {
  font-size: 13px;
  padding: 0 30px;
  text-align: justify;
  text-indent: 0px; /* CL&PB */
}
.keywords p {
  margin-bottom: 8px;
  font-size: 13px;
  padding: 0 30px; /* CL&PB */
}
.keywords-heading {
  font-style: italic;
}

/* headers */
main {
  margin-top: 30px;
}
.header-section-number::after {
  content: ".";
  padding-right: 6px;
}
.level1 h1 {
  text-align: left;
  font-size: 14px;
  margin-bottom: 16px;
}
.level1:not(:first-child) {
  margin-top: 30px;
}
.level1:first-child h1 {
  margin-top: 0;
}
.level2 h2 {
  font-size: 12px;
}
.level3 h3 {  /* font size for level 3 headers */
  font-size: 12px;
}

/* main content */
.section {
  widows: 3;
  orphans: 3;
}
p {
  widows: 3;
  orphans: 3;
  text-align: justify;
  font-size: 12px;
  line-height: 150%; /* line height */
  margin: 7px 0;
}
a {
  text-decoration: none;
  color: #000080;
}
.uri, .email, .doi, a[href^="http"] {
  color: #800000;
}
pre, code {
  white-space: pre;
}
.r-chunk-code {
  font-style: italic;
  background: #E7E7E2 /* color code chunk */
}
.smallcaps {
  font-variant: small-caps;
}
main img {
  max-width: 100%;
  max-height: calc(var(--pagedjs-height) - var(--pagedjs-margin-top) - var(--pagedjs-margin-bottom));
}
.figure {
  break-inside: avoid;
}
.caption {
  text-align: justify;
  margin: 14px 0;
}
.footnote-break {
  width: 40%;
  border-color: black;
  border-width: 0.5px;
}
sub, sup {
  line-height: 1.5; /*line height*/
}
.table-container {
  break-inside: avoid;
}
table {
  margin: auto;
}

/* bibliography */
#references {
  margin: 30px 0;
}
.references p {
  text-indent: -12px;
  padding: 7px 0 7px 12px;
}

/* footer */
.article-footer {
  break-inside: avoid;
}
.article-footer:not(:first-child) {
  margin-top: 50px;
}
.affil-header {
  font-size: 16px;
  margin: 8px 0;
}
.article-footer address {
  font-style: normal;
}
.article-footer address p {
  margin: 0;
}
.article-footer .author {
  font-weight: normal;
}
.last-page-footer {
  border-width: 1px 0;
  border-style: solid;
  position: absolute;
  bottom: 0;
  width: 100%;
  font-size: 16px;
  margin-bottom: 40px;
}
.jss-meta {
  margin: 8px 0 4px 0;
}
.jss-meta .journal-name {
  padding: 0;
  margin: 0;
  height: 17px;
}
.last-page-footer .uri {
  float: right;
}
.footer-issue, .info-dates {
  display: inline-block;
  margin: 4px 0;
  line-height: 18px;
}
.info-dates {
  float: right;
  text-align: right;
}

/* viewer */
@media screen {
  body {
    background-color: var(--background);
    margin: var(--screen-pages-spacing) auto 0 auto;
  }
  .pagedjs_pages {
    display: flex;
    max-width: var(--pagedjs-width);
    flex: 0;
    flex-wrap: wrap;
    margin: 0 auto;
  }
  .pagedjs_page {
     background: var(--color-paper);
     box-shadow: 0 4px 10px rgb(0, 0, 0, 0.6), inset 0 0 3px rgb(0, 0, 0, 0.6);
     flex-shrink: 0;
     flex-grow: 0;
     margin: auto auto var(--screen-pages-spacing) auto;
  }
}

@media screen and (max-width:1180px)  {
  body {
    width: calc(var(--pagedjs-width) + 2 * var(--screen-pages-spacing));
  }
}