@media screen and (min-width: 960px) {
  html {
    background: #fafafa;
  }
  body {
    background: #fff;
  }
  .masthead {
    position: sticky;
    top: 0;
  }
}
.menu li:not([class]) a, a:hover, .copyright a {
  border-bottom: none;
}
.main {
  hyphens: auto;
  border-left-color: #ddd;
}
.main, .masthead {
  padding: 1em 40px;
}
.en .main header ~ p:first-of-type::first-line {
  font-variant: small-caps;
  letter-spacing: .05em;
  font-size: 1.1em;
}
.en .main header ~ p:first-of-type::first-letter {
  font-size: 3em;
  padding: .1em .1em 0 0;
  float: left;
  line-height: 1em;
}
code {
  hyphens: none;
}
iframe, twitterwidget, video {
  max-width: 100%;
  display: block;
  margin: auto;
}
#TableOfContents {
  background-color: #f8f8f8;
  padding: .5em;
}
table {
  min-width: 50%;
  max-width: 100%;
  margin: auto;
}
pre .nohighlight {
  background-color: transparent;
}
.hljs-comment {
  font-style: inherit;
}
.hljs {
  padding: 1em;
}
.home hr {
  margin: 2em auto 1em;
}
.masthead img {
  max-width: 120px;
}
img[src$="#border"] {
  border: 1px solid #ddd;
  box-shadow: 5px 5px 5px #eee;
}
.home blockquote, .cn blockquote:not(:hover) {
  border-left-color: transparent;
}
.anchor {
  display: none;
}
:hover > .anchor {
  display: inline;
}
#disqus_thread a {
  color: steelblue;
}

@media screen and (max-width: 960px) {
  body {
    padding: 10px 0;
  }
  h1, h2, h3, h4, h5, h6 {
    margin: 2em auto 1.5em auto;
  }
  .title h2, .title h3 {
    margin: 1.5em auto;
  }
  .main .title h1 {
    margin: 1em auto 0 auto;
  }
  .title hr {
    margin: 2em auto;
  }
  .masthead .menu {
    max-width: inherit;
  }
  .masthead h1 {
    margin-bottom: 10px;
  }
  .masthead .menu ul {
    text-align: center;
  }
  .masthead .menu a {
    display: inline-block;
    padding: 5px 10px;
    background: #444;
    color: #fff;
    border-radius: 5px;
  }
  .masthead .menu .active a {
    background: none;
    border: 1px solid #444;
    color: #000;
  }
  .masthead .menu li, .masthead .menu li:first-child {
    border: none;
    display: inline-block;
    margin-top: 5px;
  }
  .masthead .menu .menu-extra {
    display: none;
  }
}

@media print {
  del, footer, .masthead {
    display: none;
  }
  body {
    max-width: 700px;
  }
  .main {
    margin-left: 0;
    border-left: none;
    padding-left: 1px;
  }
}