JSFiddle - React, Tailwind, and code Playground

HTML

<select>
    <option value="test">Testing</option>
    <option value="test">Of</option>
    <option value="test">This</option>
    <option value="test">Select</option>
    <option value="test">input</option>
    <option value="test">even with spaces</option>
</select>
<p>Test of custom font</p>

CSS

@font-face {
        font-family:'Montserrat';
        src: url('https://raw.github.com/louh/website/master/fonts/montserrat-regular-webfont.svg#montserratregular') format('svg');
        font-weight: 400;
        font-style: normal;
    }
    p, select {
        font-family:'Montserrat', sans-serif;
    }