Untitled

dabblet.css

.img {
	position: absolute;
	background: #FBB;
	width: 400px;
	height: 80%;
}

.arrow-right {
	position: absolute;
	right: 0;
	top: 50%;
	margin-top: -20%;
	
	width: 30px;
	height: 40%;
	background: green;
	opacity: 0.4;
}

dabblet.html

<div class="img">
  <div class="arrow-right"></div>
</div>

settings.json

{"view":"separate","fontsize":"70","seethrough":"","prefixfree":"1","page":"all"}