.accordion, .accordion span {
    cursor: pointer;
    transition: 0.4s;
}

    .accordion.active {
    }

    .accordion .accordion-icon {
        flex-shrink: 0;
        width: 20px;
        height: 20px;
        background-size: cover;
    }

    .accordion.active .accordion-icon {
        background-image: url('../images/Solutions/dropdown-dash-icon.png');
    }

.panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

    .panel span {
        display: block;
        padding: 27px;
    }

#tableHeaderIcon.active {
    background-image: url('../images/Solutions/dropdown-plus-icon.png');
}

#tableHeaderIcon {
    padding: 0;
    flex-shrink: 0;
    width: 20px !important;
    height: 20px !important;
    background-size: cover;
    background-image: url('../images/Solutions/dropdown-dash-icon.png');
}