.accordion-controls-header {
    background-color: #f4f4f4; /* #eee */
    font-size: 18px;
    color: #1c437d;
    cursor: pointer;
    padding: 9px;
    width: 100%;
    text-align: left;
    border: 1px solid #ccc; /* Add border to header */
    outline: none;
    transition: 0.4s;
    position: relative;
    margin-top: 5px; /* Add space between accordions */
}

.accordion-controls-header:after {
    content: '\002B'; /* Unicode character for "plus" sign (+) */
    font-size: 20px;
    color: #000;
    float: right;
    margin-left: 5px;
    transition: transform 0.4s;
}

.accordion-controls-header.active:after {
    content: "\2212"; /* Unicode character for "minus" sign (-) */
}

.accordion-controls-header.active {
    background-color: #fff;
    color: #000;
}

.accordion-controls-header: hover {
    color: #000;
    background-color: #fff;
}

.accordion-controls-body {
    padding: 0 18px;
    background-color: white;
    border: 1px solid #ccc; /* Add border to panel */
    border-top: none; /* Remove top border to merge with header */
    overflow: hidden;
    display: none; /* Panels are hidden by default */
}

.accordion-controls-body.open {
    display: block;
}

.accordion-btn-expandall {
    background: none;
    border: none;
    color: #1C437D;
    text-decoration: underline;
    font-weight: 600;
    padding-right: 2px;
}

.accordion-btn-collapseall {
    background: none;
    border: none;
    color: #1C437D;
    text-decoration: underline;
    font-weight: 600;
    padding-left: 2px;
}

.accordionbtn-sep {
    font-size: 18px;
}