#central
{
  margin-left:        auto;
  margin-right:       auto;
}

#central td.aC
{
  width:            120px;
  background-image:   url(../images/tutorials/knowledge.jpg);
  background-repeat:  no-repeat;
  background-position: 50% 100px;
  text-align:       center;
  vertical-align:   top;
}

.sectionhead
{
  color:            #2139AB;
  font-size:        120%;
  font-weight:      bold;
  font-style:       italic;
  text-align:       left;
  margin-top:       20px;
}

.highlight
{
  color:            #008080;
  font-weight:      bold;
}

.bulletlist
{
  color:            #008080;
  list-style-type:  disc;
  font-size:        1.1em;
}

.bulletlist li
{
  margin-bottom:    .25em;
  margin-left:      20px;
}

.figure
{
  color:            #008080;
  background-color: #D0D0D0;
  font-weight:      bold;
  text-align:       center;
  padding:          10px 8px 10px 8px;
}

.note
{
  color:            #C00000;
  font-weight:      bold;
}

.emph_ctl_txt
{
  color:            #008080;
  font-weight:      bold;
  font-style:       italic;
}