BODY {
  color: black;
  background: #ffffff;
  font-family: sans-serif;
}

P {
text-align: justify;
text-indent: 1.5em;
margin-left: 2em;
margin-right: 2em;
}

P.abstract {
text-align: justify;
text-indent: 1.5em;
margin-left: 2em;
margin-right: 2em;
font-size: 80%;
}

OL {
margin-left: 2em;
}

UL {
margin-left: 2em;
}

H1 {
text-align: center;
margin-left: 2em;
margin-right: 2em;
}

H2 {
margin-left: 2em;
margin-right: 2em;
}

H3 {
margin-left: 2em;
margin-right: 2em;
}