h1{
  font-size:      150%;
  font-style:     italic;
  color:          blue;
  font-weight:    bold;}
p{
  margin-left:    auto;
  margin-right:   auto;
  font-size:      100%;
  text-align:     justify;
  color:          #000000; }
.error{
  font-size:      130%;
  color:          red;
  text-align:     left; }
.small-right{
  text-align:     right;
  font-size:      75%;  }
.small-left{
  font-size:      75%; }
pre{
  font-family:    Courier, monospace;}
.input{
  font-size:      100%;
  font-weight:    bold;}
.output{
  font-size:      75%;}
.print{
  font-size:      75%;
  font-style:     italic;}
td{
  text-align:     left;
  vertical-align: top;}
textarea{
  width:          100%;}