p.authors, p.institutions {
  font-size: 110%;
  font-weight: bold;
  text-align: center;
}
p.authors { 
 margin-bottom: 0;
 padding-bottom: 0;
}
p.institutions {
  margin-top: 0;
  padding-top: 0;
  font-style: italic;
}

ol.enumerate { 
  text-align: left;
}

.titlemain {text-align: center;}

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

table.equation td { text-align: left; }
table.equation td.dcell {  text-align: center; }

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

p.fig { 
  padding-top: 2em;
  text-align: center;
}

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


div#abstract { margin: 1em 4em; }

body { max-width: 1000px; margin-left:auto; margin-right: auto; }
li { margin: 1ex 0ex; }
hr.footnoterule{margin:1em auto 1em 0px;width:50%;}
.center{text-align:center;margin-left:auto;margin-right:auto;}
TABLE.spacer{border-spacing: 5ex 0pt;}
div table {margin-left:inherit;margin-right:inherit;}
PRE{text-align:left;margin-left:0ex;margin-right:auto;}
hr {border: 0px; border-bottom: 1px solid;}
blockquote.figure HR {border: 0px;}
p { text-align:  justify; }
table.border { 
 border-collapse: collapse;
 border-top: 2px solid;
 border-bottom: 2px solid;
 margin-left: auto;
 margin-right: auto;
}
table.border td {
 text-align: right;
 padding-right: 3em;
}
th, td { padding-left: 0.5em; padding-right: 0.5em; padding-top: 2px; padding-bottom: 2px; }
th {  border-bottom: 1px solid; }
th.r {  text-align: right; }
th.l {  text-align: left; }
tr.bb {  border-bottom: 1px solid; }
td.subhead { 
 border-top: 1px solid; 
 border-bottom: 1px solid; 
 text-align: center; 
 font-weight: bold;
}
td.r { 
 text-align: right;
}

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

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

dl.refs dt { 
  color: purple;
}

dl.footnotes 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;
}