.reading {width: 150; border-style: solid; font-size: 12pt;}

.example {font-family:monospace; text-align:center; background-color:beige;}

em {font-variant: small-caps; font-style:normal; font-weight: bolder;}

pre {
  margin-right: 0;
  padding: 1em;
  background-color: #ddddee;
  border-width: 1px;
  border-style: solid;
  white-space: pre;
}

.lecture {
  background-color: #ddddee;
  border-width: 1px;
  border-style: solid;
}

.control {
		    position: fixed; left: 95%; 
		    z-index:0;
}