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

h1 {
  line-height: 120%;
}
.date {
  font-size: 1em;
}

/* 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; }
/*.title { font-size: 1.1em; }*/
footer a { text-decoration: none; }
hr {
  border-style: dashed;
  color: #ddd;
}

details {
  /*background-color: #eee;*/
  padding: 0.5em;
  border: 1px solid #ddd;
  border-radius: 5px;
}
details[open] summary {
  padding: 0.5em 0.5em 0.7em 0.5em;
}

.notice {
  font-size: small;
  background: #eee;
  padding: 5px;
  border-radius: 5px;
  text-align: center;
}

.text-center {
  text-align: center;
}

.center-container {
  width: 100%;
  text-align: center;
}

.button {
  background-color: #333;
  text-decoration: none;
  border: none;
  color: white;
  padding: 0.5em 1em;
  display: inline-block;
  vertical-align: middle;
  border-radius: 0.25em;
}

.button-large {
  font-size: 1.5em;
  font-weight: 700;
}

.button-normal {
  font-weight: 700;
}

.centerimg {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

.signatory {
  font-size: 0.9em;
  margin: 0 0.25em 1em 0.25em;
  width: 45%;
  vertical-align: top;
  display: inline-block;
}
.signatory .signatory-name {
  font-weight: bold;
}

.sign-col {
  width: 100%;
}

.dotline {
  text-decoration: underline;
  text-decoration-style: dashed;
}

/* 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 {
  margin: auto;
  border-top: 1px solid #666;
  border-bottom: 1px solid #666;
}
table thead th { border-bottom: 1px solid #ddd; }
th, td { padding: 5px; }
thead, tfoot, tr:nth-child(even) { background: #eee }
ul {
  list-style: none;
}