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CSS Base

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              <div class="box">1</div>
<div class="box">2</div>
<div class="box">3</div>
<div class="box">4</div>
<div class="box">5</div>

	width: 30px
	height: 20px
	float: left
	border: solid 1px black
	position: relative

		background-color: green

		background-color: red
		content: ""
		position: absolute
		box-sizing: border-box
		border-left: blue 1px solid
		width: 0
		height: 245px
		left: 0px
		top: 0px
		transform: rotate(12deg)
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