span {
    display:block;
}
.fill { 
    min-height: 100%;
    position: relative;
}
.filler::after {
    background-color: inherit;
    bottom: 0;
    content: "";
    right: 0;
    position: absolute;
    top: 0;
    width: inherit;
    z-index: -1;  
}
.panel-heading.accordion-toggle:after {
    /* symbol for "opening" panels */
    font-family: 'Glyphicons Halflings';
    /* essential for enabling glyphicon */
    content: "\e160";
    /* adjust as needed, taken from bootstrap.css */
    float: right;
    position: relative;
    bottom:15pt;
    left:17px;
    font-size: 15pt;
    /* adjust as needed */
    color: #537728;
    /* adjust as needed */


}
.panel-heading.accordion-toggle.collapsed:after {
    /* symbol for "collapsed" panels */
    content:"\e159";

    
    /* adjust as needed, taken from bootstrap.css */
}

.panel-heading:hover {
    cursor: pointer;
}

@media screen and  (min-width: 1370px) {
    .container {
      
        max-width:1310px;
    }
}

/* make sidebar nav vertical */ 
@media (min-width: 768px) {

}