 li:hover .sp-menu-tab-class:hover + label {
            color: white;
        }

        /* li .sp-tab.selected {
            border-bottom: 2px solid white;
            margin-bottom: -2px;
        } */

        /* .sp-tab.selected sp-label {
            color: white;
        } */
    </style>
    <style>
        .second_panel {
            flex: 1 1 auto;
            /* overflow: scroll; */
            overflow-y: scroll;
            padding-left: 10px;
            padding-right: 10px;
            paddin