body {
  text-align: justify;
  font-family: Times New Roman, Times;
  font-size: 16px;
  margin-bottom: 50px;
  margin-top: 50px;
}
a, a:link, a:visited {
  color: blue;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
article {
  margin: 0 auto;
  width: 800px;
}
caption {
  margin-bottom: 10px;
}
footer {
  border-top: 1px solid black;
  font-style: italic;
  margin-top: 30px;
  padding-top: 4px;
}
h1 {
  font-size: 28px;
}
h2 {
  margin-bottom: 16px;
  margin-top: 50px;
  padding: 0;
}
h3 {
  display: inline;
  font-size: inherit;
  margin: 0;
  padding: 0;
}
h3 ~ p {
  display: inline;
  margin: 0;
  padding: 0;        
}
header {
  text-align: center;
}
pre {
  font-family: "Courier New", Courier;
  font-size: 14px;
  margin: 0;
}
table {
  border-collapse: collapse;
  margin-top: 20px;
}
tbody > tr > td, thead > tr > th {
  padding: 4px 0 4px 0;
  vertical-align: top;
}
tbody > tr > td:first-child, thead > tr > th:first-child {
  width: 120px;
}
tbody > tr > td:last-child, thead > tr > th:last-child {
  width: 80px;
}
tbody > tr > td:nth-child(n+1):nth-child(-n+2), thead > tr > th:nth-child(n+1):nth-child(-n+2) {
  padding-right: 30px;
}
tbody > tr:last-child > td {
  border-bottom: 2px solid black;
}
thead th {
  border-bottom: 2px solid black;
  border-top: 2px solid black;
}
ul {
  margin: 0;
  padding-top: 10px;
}
.abstract {
  margin: 0 auto;
  margin-top: 40px;
  width: 600px;
}
.abstract > h3::after {
  content: '.';
}
.acknowledgments {
  margin-top: 40px;
}
.acknowledgments > h3::after {
  content: '.';
}
.affiliations {
  margin-top: 20px;
}
.apis > ul {
  list-style: none;
  padding-left: 0;
  padding-top: 0;
}
.apis > ul > li {
  padding-bottom: 10px;
}
.authors {
  margin-top: 40px;
}
.code {
  font-family: "Courier New", Courier;
}
.downloads > p {
  margin-bottom: 0;
}
.emails {
  font-family: "Courier New", Courier;
  margin-top: 6px;
}
.keywords {
  margin: 0 auto;
  margin-top: 10px;
  width: 600px;
}
.keywords > h3::after {
  content: ':';
}
.paper > ul {
  padding-top: 0;
}
.required {
  color: lightgray;
  font-size: 14px;
  line-height: 14px;
}