JSFiddle - React, Tailwind, and code Playground
HTML
<div id="test">
<span class="bla">Katze</span>
<div class="blubb">Hund</div>
<span class="blubb">Ente</span>
<div class="bla">Wolf</div>
<span class="bla">Kuh</span>
</div>
CSS
#test .bla:nth-of-type(2)
{
color: red;
}
#test .bla:nth-child(3)
{
color: green;
}
#test .blubb:nth-child(2)
{
color: blue;
}