.column_visibility_dragable_area #column_visibility_active_area,
.column_visibility_dragable_area #column_visibility_inactive_area {
    flex-basis: 48%;
    border: 1px solid #ccc;
    padding: 0 5px;
    margin: 0;
    min-height: 100px;
    max-height: 300px;
    overflow-x: hidden;
    overflow-y: auto;
}

.column_visibility_dragable_area ul li {
    padding: 5px;
    cursor: move;
    margin: 5px 0;
    border: 1px solid #CCCCCC;
    font-size: 12px;
    list-style-type: none;
}

.column_visibility_dragable_area #column_visibility_active_area::-webkit-scrollbar,
.column_visibility_dragable_area #column_visibility_inactive_area::-webkit-scrollbar {
    width: 6px;
}

.column_visibility_dragable_area #column_visibility_active_area::-webkit-scrollbar-track,
.column_visibility_dragable_area #column_visibility_inactive_area::-webkit-scrollbar-track {
    box-shadow: inset 0 0 2px grey;
    border-radius: 8px;
}

/* Handle */
.column_visibility_dragable_area #column_visibility_active_area::-webkit-scrollbar-thumb,
.column_visibility_dragable_area #column_visibility_inactive_area::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 8px;
}

/* Handle on hover */
.column_visibility_dragable_area #column_visibility_active_area::-webkit-scrollbar-thumb:hover,
.column_visibility_dragable_area #column_visibility_inactive_area::-webkit-scrollbar-thumb:hover {
    background: gray;
}