body,
html {
  height: 100%;
  color: #111;
  margin: 10px;
  font-family: "monospace";
  font-size: 1em;
  line-height: 1.5em;
  background-color: #fff;
}
html {
  margin: auto;
  width: 100%;
  max-width: 80ch;
}
header {
  margin-bottom: 1em;
}
.banner {
  display: inline-block;
  width: 100%;
}
.banner img {
  float: left;
  width: 4.5em;
  height: 4.5em;
}
.banner p {
  position: relative;
  left: 0.4em;
}

footer {
  margin-top: 1em;
  border-top: 1px solid #111;
}
p,
table,
thead,
tbody,
pre,
code,
div {
  width: 100%;
}
p {
  text-align: justify;
}
tbody tr {
  background-color: #eee;
}
ul {
  margin: 0;
  padding: 0;
}
li {
  list-style-type: disc;
}
li.articlelink {
  list-style: none;
  margin: 0;
  padding: 0;
}
h1 {
  color: #222;
  font-size: 3em;
}
h2,
h3,
h4,
h5,
h6 {
  color: #222;
}
h2.blogyear {
  background-color: gold;
  padding: 4px;
}
a {
  color: #00e;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
strong,
em {
  color: red;
  padding-left: 2px;
  padding-right: 2px;
}
b {
  font-weight: bold;
}
small {
  color: #8ec07c;
}
img {
  max-width: 100%;
}
blockquote {
  border-left: 2px solid khaki;
  padding-left: 20px;
  margin-left: 0px;
}
blockquote p {
  font-style: italic;
}
hr {
  height: 0;
  border: 0;
  border-top: 2px solid #458588;
  margin: 1em 0;
  padding: 0;
}
td {
  padding-left: 1ch;
  padding-right: 1ch;
}
th {
  color: #222;
  background-color: gold;
  padding: 4px;
}
pre {
  font-family: monospace;
  white-space: pre-wrap;
  font-size: 0.8em;
  border-left: 1px solid #999999;
  padding: 10px;
  text-align: left;
}
code {
  font-family: monospace;
  background: #eee;
  white-space: pre-wrap;
  display: block;
  padding: 10px;
  text-align: left;
}

.wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  padding-top: 25px;
  height: 0;
}
.wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

figure {
  margin: 0;
  margin-top: 30px;
  background: #8ec07c;
  width: 400px;
  max-width: 100%;
}
figcaption {
  margin-bottom: 10px;
  padding: 10px;
  background: #8ec07c;
  color: #111;
  font-size: 1em;
}
.center {
  text-align: center;
}