JSFiddle - React, Tailwind, and code Playground

HTML

<nav id="menu2">
        <select id="hts">
            <option href="index.html" value="est">EST</option>
            <option href="index_eng.html" value="eng">ENG</option>
        </select>
    </nav>

CSS

#menu2 { 
    height: 30px;
    overflow: visible;
    border-radius: 5px;
    background-color: #484848;
    color: #FFFFFF;
    padding: 5px 5px 0px 5px;
    margin: 5px 5px 5px 5px;
    font: 8pt verdana, arial, sans-serif;
    
}
select#hts{
    border:0px;
    outline:0px;
}