select.drselect {
    display: none;
}

div.drselect {
    display: inline-block;
    width: fit-content;
    background-image: none;
}
div.dropdown-menu--container {
    max-height: 50vh;
    width: fit-content;
    overflow-y: auto;
    display: none;
}

div.drselect > div.dropdown-menu {
}

        div.drselect > div.dropdown-menu > a {
            color: #000 !important;
            background-color: transparent !important;
            background-image: none !important;
        }

            div.drselect > div.dropdown-menu > a:hover {
                color: #fff !important;
                background-color: dimgray !important;
            }

            div.drselect > div.dropdown-menu > a.active {
                color: #fff !important;
                background-color: blue !important;
            }

        div.drselect > div.dropdown-menu > input.dropdown-search {
            width: 100%;
            position: -webkit-sticky; /* Safari */
            position: sticky;
            top: 0;
            background-color: aliceblue;
            border: 1px solid #000;
            border-radius: 3px;
            margin-top: 0;
        }

            div.drselect > div.dropdown-menu > input.dropdown-search:focus {
                background-color: #fff;
            }