JSFiddle - React, Tailwind, and code Playground

HTML

<select>
    <option>Hello</option>
    <option>Hello World</option>
    <option>Hello</option>
    <option>Hello</option>
    <option>Hello</option>
</select>

CSS

select{
    -webkit-appearance:none;
    -moz-appearance:none;
    appearance:none;
    background-color:#eee;
    border:none;
}
select:focus{
    outline:none;
}