.menu-mega-inner {
    width: 30%;
    border-right: 1px solid #ddd;
    background: #ececec;
    height: 500px;
    padding: 15px;
}
.menu-mega-inner .group-menu-mega {
    padding: 0;
    list-style-type: none;
}
.menu-mega-inner .group-menu-mega > li > a {
    font-size: 16px;
    font-weight: 500;
    padding: 10px 15px;
    display: block;
}
.menu-mega-inner .group-menu-mega .menu-childrent-mega {
    position: absolute;
    width: 70%;
    right: 0;
    top: 0;
    height: 100%;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
}
.menu-mega-inner .group-menu-mega .menu-childrent-mega .group-menu-mega-right {
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
}
.menu-mega-inner .group-menu-mega .menu-childrent-mega .group-menu-mega-right .mn-lv-3-heading {
    flex: 0 0 25%;
    width: 25%;
}
.menu-mega-inner .group-menu-mega .menu-childrent-mega .group-menu-mega-right .mn-lv-3-heading > a {
    font-weight: bold;
    font-size: 16px;
    padding: 10px 15px;
    display: block;
}
.menu-mega-inner .group-menu-mega .menu-childrent-mega .group-menu-mega-right .group-menu-drop a {
    font-size: 14px;
    font-weight: 500;
    padding: 2px 15px;
    display: block;
}
.menu-mega-inner .item-mega-menu.active > .group-menu-mega > li > a {
    color: #fff;
    background: #000000;
    border-radius: 5px;
}
.menu-mega-inner .item-mega-menu.active .menu-childrent-mega {
    visibility: visible;
    opacity: 1;
}