.panel-title button{
    font-size: 18px;
}
 .panel-title button:after {
    content: "\f107";
     font-family: "Font Awesome 5 Free"; 
     font-weight:900 !important;  
    font-style: normal;
    color: inherit;
    font-size: 30px;
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%) rotate(0deg);
}
.panel-title button[aria-expanded="true"]:after {
    transform: translateY(-50%) rotate(180deg);
}
.collapse.show, .panel:hover{
    background-color: #fff !important;
}
.panel {
    border-radius: 4px;
}
.panel-group.product-faq{
    width: 100%;
}