.knowledgebase-container .panel-title a::after,
.display_faq_category-container .panel-title a::after {
    content: '';
    display: block;
    width: 18px;
    height: 18px;
    background: url('../img/expand_more.svg') no-repeat center;
    background-size: 36px;
    transition: 0.2s;
}

.knowledgebase-container .panel-title a[aria-expanded="true"]::after,
.display_faq_category-container .panel-title a[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.knowledgebase-container .panel-title,
.display_faq_category-container .panel-title {
    border: 1px solid #ddd;
    border-radius: 5px 5px 0 0;
    margin-bottom: 0;
}

.knowledgebase-container .panel-title a,
.display_faq_category-container .panel-title a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    background-color: #f8f8f8;
    transition: background-color 0.2s;
}

.knowledgebase-container .panel-title a:hover,
.display_faq_category-container .panel-title a:hover {
    text-decoration: none;
    background-color: #e7e7e7;
}

.knowledgebase-container .panel-body,
.display_faq_category-container .panel-body {
    background-color: #fff;
    border-radius: 0 0 5px 5px;
    overflow: hidden;
    border: 1px solid #ddd;
    border-top: none;
}

.display_faq_category-container hr {
    margin: 2rem 0;
}