JSFiddle - React, Tailwind, and code Playground
HTML
In jQuery1.4.4 there is a red border! :(</br>
In jQuery1.4.3 there is a green border :)</br>
<select name="event[maschine_id]">
<option value="1">1_Loader</option>
<option value="2">2_Loader_QCV</option>
</select>
JavaScript
$(function(){
$('select').css({border: '5px solid red'});
$('select[name=event[maschine_id]]').css({border: '5px solid green'});
});