article {
  border: solid 2px;
  padding: 10px;
}
table {
  margin-left: auto;
  margin-right: auto;
}
td.right {
  text-align: right;
}
img.small {
  width: 320px;
}
img.left {
  width: 45%;
  float: left;
  margin-right: 5%;
  margin-bottom: 0.5em;
}
img.right {
  width: 45%;
  float: right;
  margin-left: 5%;
  margin-bottom: 0.5em;
}
img {
  width: 640px;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
video {
  width: 640px;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
figcaption {
  text-align: center;
}
h1 {
  font-size: 14pt;
  color: red;
}
h2 {
  border: solid 1px;
  padding: 5px;
  font-size: 14pt;
  text-align: center;
  color: #ff80ff;
  background-color: #007f00;
  border-radius: 10px;
}
h3 {
/*text-align: center;*/
  font-size: 13pt;
  color: black;
}
p {
  clear: both;
  text-indent: 1em;
}
code {
  border: solid 1px;
  padding-top: 3px;
  padding-bottom: 3px;
  padding-left: 5px;
  padding-right: 5px;
  color: indigo;
  font-size: 12pt;
  display: block;
  margin-top: 0;
  margin-bottom: 0;
  margin-left: auto;
  margin-right: auto;
  line-height: 100%;
}