div#all{
  width: 40em;
}
body{ 
  background-color: #f0fff4;
  line-height: 1.5em;
}
div#date { 
  text-align: right;
 }
div#center { 
  text-align: center;
 }
div#author { 
  text-align: right;
  margin-top: 1em;
  margin-bottom: 1em;
 }
div#pagetitle { 
  text-align: center;
  font-weight: bold;
 }
div#title { 
  text-align: right;
 }
div#class { 
  text-align: right;
 }
div#linel { 
  line-height: 0.0em;
 }
div#line05 { 
  line-height: 0.5em;
 }
div#line10 { 
  line-height: 1.0em;
 }
div.fig{ 
  text-align: center;
  margin: 1em 0em 1em 0em;
 }