body {
  max-width: 800px;
  margin: auto;
  padding: 1em;
  line-height: 1.5em;
}

/* header and footer areas */
.menu {
  padding: 0;
}

.menu li {
  display: inline-block;
}

.article-meta,
.menu a {
  text-decoration: none;
  background: #eee;
  padding: 5px;
  border-radius: 5px;
}

.menu,
.article-meta,
footer {
  text-align: center;
}

h1 {
  font-size: 28px;
}

.title {
  font-size: 1.1em;
}

footer a {
  text-decoration: none;
}

hr {
  border-style: dashed;
  color: #ddd;
}

/* code */
pre {
  border: 1px solid #ddd;
  box-shadow: 5px 5px 5px #eee;
  padding: 1em;
  overflow-x: auto;
}

code {
  background: #f9f9f9;
}

pre code {
  background: none;
}

/* misc elements */
img,
iframe,
video {
  max-width: 100%;
}

main {
  hyphens: auto;
}

blockquote {
  background: #f9f9f9;
  border-left: 5px solid #ccc;
  padding: 3px 1em 3px;
}

table {
  border-top: 1px solid #666;
  border-bottom: 1px solid #666;
  width: fit-content;
  display: block;
  max-width: 90vw;
  overflow-x: auto;
  white-space: nowrap;
  margin-left: 50%;
  transform: translateX(-50%);
}

table thead th {
  border-bottom: 1px solid #ddd;
}

th,
td {
  padding: 5px;
}

thead,
tfoot,
tr:nth-child(even) {
  background: #eee;
}

.mermaid,
.goat {
  display: flex;
  justify-content: center;
}


.avoid-page-break-inside {
  page-break-inside: avoid;
}
.avoid-page-break-inside-ul > ul > li {
  page-break-inside: avoid;
}

@media screen {

  .only-print,
  .only-print * {
    display: none;
  }
  a[title="korean"]::after{
    content: " (Korean)"
  }
}

@media print {

  .no-print,
  .no-print * {
    display: none !important;
  }

  .no-print-a a {
    display: none !important;
  }

  .normal-print-a a {
    color: inherit;
    text-decoration: inherit;
  }



  a {
    color: #0074D9;
  }
}

a.footnote-ref::before {
  content: '[';
}

a.footnote-ref::after {
  content: ']';
}