JSFiddle - React, Tailwind, and code Playground

HTML

<div class="videoframe"><div><img src="http://www.ac4bf-thewatch.com/initiates/upload/20130909/big_522e1c989c94f.jpg" /><div></div>

CSS

.videoframe
{
    width: 200px;
    height: 113px;
    border: 2px solid black;
    border-radius: 20px;
    margin-right: 20px;
    margin-bottom: 20px;
    padding: 10px;
}
.videoframe div
{
    border-radius: 20px;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.videoframe img
{
    
    width: 100%;
    height: 100%;
    -webkit-transition: all 1s ease;
    -moz-transition: all 1s ease;
    -o-transition: all 1s ease;
    -ms-transition: all 1s ease;
    transition: all 1s ease;
}

.videoframe:hover img
{
    width: 300px;
    height: 168px;
}