.li {
    list-style-type: none !important;
    width: 100%;
    display: inline-block;
}



.ul {
    list-style-type: none !important;
    height: auto;
    width: auto !important;
    column-count: 3;
    min-width: 200px;
}



.header-menu .sublist li:hover > a {
    background-color: lightgray !important;
}