JSFiddle - React, Tailwind, and code Playground

HTML

<div class="bloc" style="width:140px;">
    <select name="selectbox" size="5"  id="selectbox" >
        <option>one two three four five six seven eight</option>
        <option>seven eight</option>
        <option>nine ten</option>
        <option>one two three four five six</option>
        <option>seven eight</option>
        <option>nine ten</option>
        <option>one two three four five six seven eight nine ten</option>
        <option>seven eight</option>
        <option>nine ten</option>
        <option>one two three four five six</option>
        <option>seven eight</option>
        <option>nine ten</option>
    </select>
</div>

CSS

#selectbox {
}

.bloc {
    display:inline-block;
    vertical-align:top;
    overflow:auto;
    border: 1px solid red;
}

.bloc select {
    padding:10px;
    margin:-5px -20px -5px -5px;
}