@import url('https://fonts.googleapis.com/css?family=Arsenal|Cormorant+Infant:600|Inconsolata');
body {
  margin: 0;
  padding: 0;
  background-color: #ffffff;
  color: #4d4d4d;
  font-family: 'Arsenal', sans-serif;
  font-size: 18px;
}
header .site-name {
  font-family: 'Cormorant Infant', serif;
  font-size: 44px;
}
header .nav {
  font-size: 12px;
  text-transform: uppercase;
}
header .nav ul {
  margin: 0;
  padding: 0;
}
header .nav ul li {
  list-style-type: none;
  display: inline;
}
header .nav ul li:not(:first-child):before {
  margin-left: 5px;
  margin-right: 5px;
  content: " | ";
}
a {
  color: #000000;
  text-decoration: none;
  transition: 0.15ms;
}
a:hover {
  opacity: 0.6;
}
hr {
  color: #eeeeee;
  background-color: #eeeeee;
  height: 1px;
  border: none;
}
img {
  display: block;
  max-width: 650px;
  max-height: 650px;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}
iframe .slide_image {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
div.google-slide {
  position: relative;
  overflow: hidden;
  margin: 15px 0 20px 0;
  padding-bottom: 50%;
  padding-top: 65px;
}
div.google-slide iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  color: #000000;
  font-weight: lighter;
  font-family: 'Cormorant Infant', serif;
}
dt {
  color: #4d4d4d;
  font-size: 14px;
}
dd {
  margin-left: 0;
  margin-bottom: 20px;
}
dd i {
  margin-left: 10px;
  margin-right: 10px;
}
/* for embed tweet */
twitterwidget {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.article__text > iframe {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.pagination {
  margin: auto 10%;
  text-align: center;
}
.pagination ul {
  display: inline-block;
  padding: 0;
}
.pagination ul li {
  display: inline;
  float: left;
}
.pagination ul li .pagination__page--current {
  background-color: #212121;
  color: #ffffff;
}
.pagination ul li :hover:not(.active) {
  background-color: #ddd;
}
.pagination ul li a {
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 5px;
}
.pagination ul li .pagination__prev--none,
.pagination ul li .pagination__next--none {
  display: none;
}
.social-tools {
  margin-bottom: 2rem;
}
.social-tools__title {
  display: block;
  font-size: 13px;
  color: #999999;
  margin-top: 3rem;
}
.social-tools__buttons {
  font-size: 26px;
}
.social-tools__buttons a {
  color: #999999;
  margin: 0.4rem;
}
.social-tools__buttons a:hover {
  color: #000000;
}
.adsense {
  margin-top: 2em;
  margin-bottom: 2em;
}

.katex-display > .katex {
  overflow-x: scroll;
}

.katex {
  font-size: 1.05em;
  white-space: normal;
}

iframe.embedly-card {
  box-shadow: 5px 2.5px 2.5px 2.5px rgba(0, 0, 0, 0.4);
  border-radius: 5px;
}
@media screen and (min-width: 640px) {
  main {
    width: 100%;
    top: 0;
    left: 25%;
    overflow-x: hidden;
    overflow-y: hidden;
  }
  main article {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }
  main article .article__meta {
    display: flex;
  }
  main article .article__meta p {
    margin-right: 1em;
  }
  main article .article__meta p .article__meta__post-date {
    width: 20em;
  }
  main header {
    border-top: 0;
  }
  footer section.author .autohr__name {
    margin-left: auto;
  }
  footer section.author .author__link {
    margin-right: auto;
  }
}
@media screen and (max-width: 769px) {
  article img {
    height: auto;
    width: 100%;
  }
}
main {
  margin-left: auto;
  margin-right: auto;
}
main header {
  padding: 40px;
  border-top: #eeeeee 1px solid;
  border-bottom: #eeeeee 1px solid;
  text-align: center;
}
main header p {
  font-size: 12px;
  text-transform: uppercase;
}
main article {
  padding: 40px 20px;
}
main article .article__title h1 {
  margin-bottom: 8px;
}
main article .article__text {
  line-height: 1.575em;
  text-align: justify;
}
main article .article__text a {
  text-decoration: underline;
}
main article .article__text ul li{
  line-height: 2.075em;
}
main article .article__text h1 {
  display: block;
  border-bottom: #eeeeee 1px solid;
  padding-bottom: 7px;
  margin-top: 2em;
  margin-bottom: 1.5rem;
  font-size: 1.8em;
}
main article .article__text h2,
main article .article__text h3,
main article .article__text h4,
main article .article__text h5,
main article .article__text h6 {
  margin-top: 2.375rem;
  margin-bottom: 1.375em;
}
main article .article__text code {
  padding: 0.2em 0;
  color: #8B0000;
  font-family: 'Inconsolata', monospace;
  background: #eeeeee;
  border-radius: 3px;
}
main article .article__text pre {
  margin: 22px 2px 22px 2px;
  padding: 9.5px;
  font-family: 'Inconsolata', monospace;
  line-height: 1.45;
  overflow-x: auto;
  border-style: none;
  border-radius: 4px;
}
main article .article__text blockquote {
  display: block;
  margin: 22px 2px 22px 2px;
  padding: 1em 2em 1em 4em;
  color: #9E9E9E;
  font-style: italic;
  position: relative;
}
main article .article__text blockquote:before {
  content: '"';
  font-size: 600%;
  font-style: bold;
  line-height: 1em;
  left: 0;
  top: 0;
  position: absolute;
  color: #9E9E9E;
}
main article .article__text table.footnote {
  font-style: italic;
  margin-top: 0;
}

main article .article__text table.footnote tr {
  color: #9E9E9E;
}

main article .article__text div.footnote {
  font-size: 13.5px;
  margin-top: 5em;
  line-height: 1.1em;
}
main article .gist {
  line-height: .875em;
}
main article .article__meta {
  font-size: 12px;
  color: #999999;
  margin-bottom: 2rem;
}
main article .article__meta p {
  margin-top: 0;
  margin-bottom: 0;
}
footer {
  border-top: #eeeeee 1px solid;
  width: 100%;
  margin: 0 auto;
}
footer .author__logo {
  width: 72px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 1em;
  max-width: 72px;
}
footer .author__logo img {
  width: 72px;
  border-radius: 10px;
}
footer section.author {
  font-size: 16px;
  max-width: 600px;
  margin: 1.5em auto;
}
footer section.author ul li {
  display: inline;
  line-height: 3em;
}
footer section.author i.fa {
  font-size: 30px;
}
footer section.author .author__name {
  font-style: italic;
  text-align: center;
  max-width: 420px;
  width: 70%;
  margin-left: auto;
  margin-right: auto;
}
footer section.author .author__name p {
  font-size: 13px;
}
footer section.author .author__link {
  text-align: left;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}
footer section.author .author__link ul {
  padding-left: 0;
  text-align: center;
}
footer .ending-message {
  text-align: center;
  border-top: #eeeeee 1px solid;
  padding: 0 40px 0 40px;
  color: #999999;
  font-size: 10px;
}