Untitled

dabblet.css

.my-fancy-input {
	position: relative;
	width: 160px;
	height: 20px;
	border: 1px solid black;
}
.my-fancy-input input {
	position: absolute;
	background: transparent;
	box-sizing: border-box;
	width: 160px;
	height: 20px;
	border: 0;
	padding: 0 6px;
	font-size: 18px;
	letter-spacing: 9px;
}
.my-fancy-input-square {
	position: absolute;
	left: 0;
	top: 0;
	width: 20px;
	height: 20px;
	border-left: 1px solid black;
}
.my-fancy-input-square:nth-child(1) { left: 0; border-left: 0; }
.my-fancy-input-square:nth-child(2) { left: 20px; }
.my-fancy-input-square:nth-child(3) { left: 40px; }
.my-fancy-input-square:nth-child(4) { left: 60px; }
.my-fancy-input-square:nth-child(5) { left: 80px; }
.my-fancy-input-square:nth-child(6) { left: 100px; }
.my-fancy-input-square:nth-child(7) { left: 120px; }
.my-fancy-input-square:nth-child(8) { left: 140px; }

dabblet.html

<div class="my-fancy-input">
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<div class="my-fancy-input-square"></div>
	<input type="text" value="12345678" readonly>
</div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}