JSFiddle - React, Tailwind, and code Playground

HTML

<select>
<option value="1">1</option>
<option value="16">16</option>
<option value="32">32</option>
<option value="64">64</option>
<option value="titel" class="title">titel</option>
<option value="16">16</option>
<option value="32">32</option>
<option value="64">64</option>
<option value="1">1</option>
<option value="titel" class="title">titel</option>
<option value="16">16</option>
<option value="32">32</option>
<option value="64">64</option>
<option value="titel" class="title">titel</option>
<option value="16">16</option>
<option value="32">32</option>
<option value="64">64</option>
<option value="titel" class="title">titel</option>
<option value="16">16</option>
<option value="32">32</option>
<option value="64">64</option>
</select>

CSS

select{width: 300px;display:block;padding:6px;}
select.test option{width: 150px;float:left;display:block; border:1px solid red;height:20px;padding:5px;}
select.test option:nth-child(even){margin-top:-22px;margin-left:165px;}
select.test option.title{background-color:#red;}