in the css

@import url("https://styles.alv.cx/modules/darkmode.css");

example:

<div id="searchWrapper">
<input id="search" placeholder="Search">
</div>
<p class="smallText" style="margin-top: 0; text-align: center">
        Press (<kbd>Shift</kbd>+)<kbd>Enter</kbd> to open first result (in new tab)
</p>
<div id="results"> </div>