/* 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 */
}