.unicollapse {
    margin-bottom: 1rem;
}

.unicollapse-headline-anchor::after {
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    padding-left: 5px;
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    content: "\f078";
}
  
.unicollapse-headline-anchor[aria-expanded="true"]::after {
    content: "\f077";
}