pink cloudy box

<style>
.pinkcloudybox {
  height: 140px;
  width: 200px;
  border: 10px solid transparent;
}
.pinkcloudybox { border-image: url(https://i.postimg.cc/GmzyDT0w/BAM.png) 50 round; }
.pinkcloudyfull { width:100%; height:100%; overflow-y:auto; background:#feb6dc;}
</style>
<div class="pinkcloudybox"><div class="pinkcloudyfull">STUFF HERE</div></div>