How to make browsers theme color with css
<p>How to use this code in an CSS file?</p>

<p><code>&lt;meta name="theme-color" content="#38bb38"&gt;
&lt;meta name="msapplication-navbutton-color" content="#38bb38"&gt;
&lt;meta name="apple-mobile-web-app-status-bar-style" content="#38bb38"&gt;</code></p>