JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image">
    <div class="sawtooth"></div>
</div>

CSS

BODY {
   background: black;
}

DIV.image {
   width: 480px;
   height: 325px;
   background: url(http://i.imgur.com/ux7a7pi.jpg);
}

DIV.sawtooth {
   width: 426px;
   height: 271px;
}

.sawtooth {
   border-style: solid;
   border-width: 27px;
   border-image: url(http://i.imgur.com/Usmr9yF.png) 27 round;
}