html {
    max-width: 80%;
    margin: 0 auto;
}
 
body {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  font-family: Georgia, Times New Roman;
}

div.titlepage h1, div.titlepage p {
  text-align: center;
}

div.figure {
  margin-top: 1em;
  text-align: center;
  margin-left: 2em;
  margin-right: 2em;
}

p.caption { 
  font-weight: bold;
  text-align: justify;
}

div.abstract {
  padding-top: 1em;
  margin: 1em 4em;
}
div.abstract h1 {
  font-size: 130%;
  text-align: center;
}

h1 {
  font-size: 1.85em;
}

span.code {
  font-family: monospace;
}

span.paragraph {
  font-weight: bold;
  display: inline;
  margin-right: 1em;
}

li { margin: 1ex 0ex; }
.center{text-align:center;margin-left:auto;margin-right:auto;}
p { text-align:  justify; }

dl.bibliography, dl.refs { 
 font-size: 80%;
}

dl.bibliography dt, dl.refs dt { 
  display: block;
  clear: left;
  float: left;
  width: 3em;
}

dl.refs dt { 
  color: purple;
}

dl.bibliography dd, dl.refs dd { 
  text-align: left;
  clear: right;
  margin-bottom: 1em;
}

div.citebaloon { 
  max-width: 400px;
  margin: 5px 5px;
  padding: 5px;
  background-color: #ffffaa;
  display: none;
  position: absolute;
  border: 1px solid black;
}