JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box"><img src="http://img836.imageshack.us/img836/6830/rmoh.jpg" alt=""></div>
    
<div class="box2"></div>

CSS

img{border:0px;

border-image-width:0px;
border-image-slice:0px;

}
.box
{
width:250px;
//border:1px solid;
height:auto;
border-image-slice:0px;
border-image-width:0px;
border-image-outset:0px;
}

.box img
{
width:100%;
//border:1px solid green;
margin-top:0px;
}

.box2
{
width:500px;
height:200px;
border:1px solid;
}