JSFiddle - React, Tailwind, and code Playground

HTML

<script>
$(document).ready(function(){
  $("h2").siblings("p").css({"color":"red","border":"2px solid red"});
});
</script>
</head>
<body class="siblings">

<div>div (parent)
  <p>p</p>
  <span>span</span>
  <h2>h2</h2>
  <h3>h3</h3>
    <p>p<h1>asdasd</h1></p>
</div>
</body>
</html>

CSS

.siblings *
{ 
display: block;
border: 2px solid lightgrey;
color: lightgrey;
padding: 5px;
margin: 15px;
}