<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Radial Progress Indicator</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<h1>Single element Radial Progress Indicator</h1>
<h2>Normal</h2>
<div class="big">
<div class="pie pie--value" style="--percent:35;"></div>
<div class="pie pie--value" style="--percent:15;"></div>
<div class="pie pie--value" style="--percent:65;"></div>
<div class="pie pie--value" style="--percent:85;"></div>
<div class="pie" style="--percent:40;"></div>
</div>
<div class="med">
<div class="pie pie--value" style="--percent:35;"></div>
<div class="pie pie--value" style="--percent:15;"></div>
<div class="pie pie--value" style="--percent:65;"></div>
<div class="pie pie--value" style="--percent:85;"></div>
<div class="pie" style="--percent:40;"></div>
</div>
<div class="sml">
<div class="pie pie--value" style="--percent:35;"></div>
<div class="pie pie--value" style="--percent:15;"></div>
<div class="pie pie--value" style="--percent:65;"></div>