.display_canvas {
  border:1px solid black;
  margin:4px;
  margin-top:16px;
}

.canvas_wrapper {
  border:1px solid gray;
  padding:4px;
  -moz-box-shadow:    5px 5px 5px #ccc;
  -webkit-box-shadow: 5px 5px 5px #ccc;
  box-shadow:         5px 5px 5px #ccc;
  border-radius:8px;
  -moz-border-radius:8px;
  -webkit-border-radius:8px;
  overflow:auto;
}

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

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

li {
  margin-top: 0.5em;
  margin-bottom:0.5em;
}

.code_listing {
  padding:8px;
  border:1px solid black;
  background:#f0fff0;
}

.tiny-text {
  font-size:8px;
}

.bordered {
  border:1px solid black;
}

.mandelback {
  background-image:url('../graphics/mandelbrot_icon_80x80_gray.png');
  background-repeat:no-repeat;
  background-position:200px;
  
}

.article_subtopic {
  background-image:url('../graphics/mandelbrot_icon_32x32_green.png');
  background-repeat:no-repeat;
  padding-left:38px;
  padding-top:6px;
  padding-bottom:6px;
}

.span_button {
  background-color:#e0e0e0;
  border:1px solid black;
  padding-left:8px;
  padding-right:8px;
}

.busy_disp {
  width:400px;
}