body {
  padding-top: 50px;
  padding-bottom: 50px;
  padding-left :15%;
  padding-right: 15%;
  font-family: "Noto Serif",-apple-system,BlinkMacSystemFont,"Segoe 
UI","Roboto","Oxygen-Sans","Ubuntu","Cantarell","Helvetica 
Neue",sans-serif;
  font-size: 14px;
  /* line-height: 20px; */
  color: rgba(0,0,0,0.87);
  background-color:white !important;
}
a {
  text-decoration: none;
  color: #990100;
}
.doctitle {
  color: #990100;
}
.chapter {
  color: #990100;
}
.section {
    color: #990100;
}
.b {
  /*color: #4b7d92;*/
  font-weight: bold;
}
.i {
  font-style: italic;
}
img {
    display: block;
    padding: auto;
    margin: auto;
}
p.caption {
    margin: auto;
    text-align: center;
}