JSFiddle - React, Tailwind, and code Playground

HTML

<select>
    <option value="1">One</option>
    <option value="2">Two</option>
    <option value="3">Three</option>
    <option value="4">Four</option>
    <option value="5">Five</option>
</select>

<input type="text" value="Test" />

CSS

* {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

select {
    width: 200px;
    height: 20px;
    border: 1px solid #CCCCCC;
    padding: 0;
    margin: 0;
    float: left;
}

option {
    padding: 0;
    margin: 0;
}

input {
    width: 200px;
    height: 20px;
    border: 1px solid #CCCCCC;
    padding: 0;
    margin: 10px 0;
    float: left;
    clear: both;
}