body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

.panel-heading .accordion-toggle:after {
  /* symbol for "opening" panels */
  font-family: 'Glyphicons Halflings';  /* essential for enabling glyphicon */
  content: "\e114";    /* adjust as needed, taken from bootstrap.css */
  float: right;        /* adjust as needed */
  color: grey;         /* adjust as needed */
}
.panel-heading .accordion-toggle.collapsed:after {
  /* symbol for "collapsed" panels */
  content: "\e080";    /* adjust as needed, taken from bootstrap.css */
}

p {
  font-size: 36px;
  letter-spacing: 0.5px;
}

span {
  display: block;
  margin: 10px;
  font-size: 20px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 9px;
}