/* Expand / collapse */
.wh_expand_btn.expanded:before {
    content:"\e259";
}

.wh_expand_btn:before {
    content:"\e258";
    font-family: "Glyphicons Halflings", serif;
    font-style: normal;
    font-size: 0.6em;
    font-weight: lighter;
    display: inline-block;
    margin-right: 5px;
    opacity: 0.5;
}

.wh_expand_btn {
    cursor: pointer;
}