.viewport {
  cursor:auto;
  margin:4px;
}

.viewport:active, .viewport:focus {
  cursor:pointer;
}



.canvas_div {
  /* border:1px solid black; */
  margin:4px;
}

.mathfont {
  font-family:"times";
  font-style:italic;
  font-weight:bold;
  font-size:120%;
}

p,li {
  text-align:justify;
  text-justify:inter-word;
}

.para {
  margin-top: 0em;
  margin-bottom:1em;
}

.textrange {
  display:inline-block;
  width:100px;
  text-align:right;
  padding-right:4px;
}