JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main">
<div class="yellowblock">999999<br>100<br>200</div>
<div class="yellowblock">100<br>200</div>
<div id="yellowblockbot">10000</div>
</div>
    
<div class="example-10x10"></div>

CSS

#main {
	background-color: #d7e1fd;
	padding: 0px;
}
div.yellowblock {
	font-weight: bold;
	background-color: #fefa8f;
	display: inline-block;
	border:1px solid;
	padding: 10px;
	vertical-align: top;
	margin-left: 10px;
	margin-top:10px;
	margin-bottom: 10px;
}
 #yellowblockbot{
	background-color: #fefa8f;
	display: inline-block;
	border:1px solid;
	padding: 10px;
	vertical-align: bottom;
	font-weight: bold;
	margin-bottom: 6px;
	margin-left: 10px;
}

.example-10x10 {
    position: absolute;
    background: white;
    width: 8px;
    height: 10px;
    border: 1px solid black;
    top: 10px;
    left: 90px;
}