<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/png" href="rotation-icon.png">
<link rel="apple-touch-icon" type="image/png" href="rotation-icon.png">
<title>3D Rotation Converter</title>
<style>
@media all {
	html{
		font-family:Garamond, Palatino, serif;
		font-size:18px;
		line-height:1.3;
	}
	.dcol{
		float:left;
		width:50%;
		padding-right:1.5rem;
		box-sizing:border-box;
	}
}
@media all and (max-width:1200px){
    