html {
    min-height: 100vh;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-size: .85em;
    font-family: "Segoe UI", Verdana, Arial, Helvetica, sans-serif;
    margin: 0;
    padding-bottom: 50px;
}

@media (max-width: 991px) {
    .dropdown-menu > li > .dropdown-submenu {
        display: block;
    }

    .dropdown-menu > li > .dropdown-submenu li a::before {
        content: "\00bb";
    }
}

@media (min-width:992px) {
    .dropdown-menu li {
        position: relative;
    }

    .dropdown-menu .dropdown-submenu {
        display: none;
        position: absolute;
        left: 100%;
        top: -7px;
    }

    .dropdown-menu .dropdown-submenu-left {
        right: 100%;
        left: auto;
    }
    .dropdown-menu > li:hover > .dropdown-submenu {
        display: block;
    }
    div.dt-button-collection {
        width: unset;
        max-height: 50vh;
        overflow-y: auto;
    }

}