JSFiddle - React, Tailwind, and code Playground
HTML
<div id="a">
<div id="b">
<img src="http://pics.computerbase.de/avatare/benutzer/avatar394368_10.gif" alt="Image01" />
</div>
</div>
CSS
#a {
position:relative;
max-width:940px;
height:auto;
overflow: hidden;
background: gray;
}
#b {
margin-bottom:7px;
max-width:940px;
height:auto;
}
#b img {
max-width:100%;
height:auto;
}