移動端レイアウトのrem+px+vw単位換算



<html>
	<head>
		<meta charset="UTF-8">
		<title>title>
		<style type="text/css">
			*{margin: 0;padding: 0;}
			html{
				font-size:100px;
			}
			.box{
				width: 1rem;
				height: 100px;
			}
		style>
	head>
	<body>
		<div class="box">div>
		
	body>
html>