JSFiddle - React, Tailwind, and code Playground

HTML

<center><div id="isi"><center>
		<center><h2>Pengumuman</h2></center>
		<p><div id="MyDivName"><marquee behavior="scroll" scrolldelay="150" direction="up" onmouseover="this.stop();" onmouseout="this.start();">
<center><h1><b><br><br><br>Pengumuman</b></h1><br><h2>tajuk</h2><hr size="1px"><br>test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test<br><br><hr size="1px"><br><h2>tajuk2</h2><hr size="1px"><br>test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test<br><br><hr size="1px"><br></center>
</marquee></div></p><b><br><br><br
	<center><h2>Pegawai IT dan Anggota IT</h2></center>
		<p><div id="MyDivName"><marquee behavior="scroll" scrolldelay="150" direction="up" onmouseover="this.stop();" onmouseout="this.start();">
<center><h1><b><br><br><br>Pengumuman</b></h1><br><h2>tajuk</h2><hr size="1px"><br>test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test<br><br><hr size="1px"><br><h2>tajuk2</h2><hr size="1px"><br>test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test<br><br><hr size="1px"><br></center>
</marquee></div>.</p>
	</div>
	
	<div id="middle">
		<h2>2nd Content Area</h2>
		<p>At full width all three columns will be displayed side by side. As the page is resized the third column will collapse under the first and second. At the smallest screen size all three columns will be stacked on top of one another.</p>
		<p>Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et...

CSS

#isi {
	width: 290px;
	float: left;
	padding: 5px 15px;
}

#middle {
	width: 580px; /* Account for margins + border values */
	float: left;
	padding: 5px 15px;
	margin: 0px 5px 5px 5px;
}

 #isi, #middle {
	margin-bottom: 5px;
}

 #isi, #middle{
	border: solid 1px #ccc;
}