.nm-listbox__portal{position:fixed;z-index:9999;width:250px;max-height:320px;overflow:auto;background:#fff;border:1px solid #777;box-shadow:0 12px 30px #0003;padding:5px}
.nm-listbox__portal [role=option]{display:block;width:100%;border:0;background:#fff;text-align:left;padding:10px}
.nm-listbox__portal [role=option][aria-selected=true],.nm-listbox__portal [role=option]:hover{background:#f5f5f7}
@media(max-width:749px){.nm-listbox__portal{width:230px}}