JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    <div class="left"> </div>
    <div class="right"> </div>
</div>

CSS

.left, .right {
    background: #000 url('http://lorempixel.com/300/100');
    position: relative;
    height: 100px;
    width: 250px;
    float: left;
}
.left{
    z-index:1;
}
.parent{
    overflow:hidden;
}

.right {
    background: #000 url('http://lorempixel.com/200/100');
    width: 150px;
}
.left:after{
    content:'';
    position:absolute;
    border-right:20px solid #fff;
    top:-25px;
    bottom:-10px;
    left:0;
    right:-10px;
    -moz-transform:rotate(10deg);
    -webkit-transform:rotate(10deg);
}