.accordion .card-header:after {
    font-family: 'FontAwesome';
    content: "\f068";
    float: right;
    font-size: 24px;
}
.accordion .card-header.collapsed:after {
    /* symbol for "collapsed" panels */
    content: "\f067";
    font-size: 24px;
}

.accordion{
    margin-top: 80px;
    border: none;
}
.accordion .card .card-header{
    border: none;
    padding: 30px 20px;
    font-size: 18px;
}
.accordion .card{
    border: none;
    padding: 10px 20px;
}