JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">

<div class="tile">
    <h3>short</h3>
    <div class="content">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</div>
</div>

<div class="tile">
    <h3>longLongLong longLongLong longLongLong</h3>
    <div class="content">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</div>
</div>

</div><!-- end #container -->

CSS

#container {
	display: flex; /* establish flex container; aligns flex items (child elements) in a row by default; */		
}	

.tile {
	display: flex; /* establish (nested) flex container */
	flex-direction: column; /* override default row alignment */
	height: 300px;
    width: 200px;
    background: #cecece;
    /* float: left; */
    margin: 0 10px 0 0;
}

.tile h3{
	min-height: 20px;
    max-height: 61px;
    /* display: inline-block; */
    overflow: hidden;
}

.tile .content {
	flex: 1; /* tells flex item to use all available space in container */
	height: 162px;
    overflow: hidden;
    margin: 0 10px 40px 10px; /* added bottom margin for spacing from container edge */
}