Find some solution of «scaling strokeWidth problem» in jsfiddle, but it have some strange reposition effect
<!DOCTYPE html>
<html lang="en">
<head>
<meta name="generator" content="HTML Tidy for HTML5 (experimental) for Windows https://github.com/w3c/tidy-html5/tree/c63cc39" />
<meta charset="utf-8" />
<title>Test</title>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.css" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand">Test</a>
</div>
<div id="navbar" class="navbar-collapse collapse">
<form action="/logoutadmin" class="navbar-form navbar-right">
<button class="btn btn-success" type="submit" id="user" onsubmit="return false">Log Out</button>
</form>
</div>
</div>
</nav>
<div class="container-fluid">
<button type="button" class="btn btn-primary btn-xs" data-toggle="offcanvas">Toggle nav</button>
<div class="row row-offcanvas row-offcanvas-left">
<div class="col-xs-6 col-sm-2 sidebar-offcanvas" id="sidebar" role="navigation">
<div class="side-contain">
<div class="panel-heading head" role="tab" id="headingOne">
<h2 class="panel-title">My Account</h2>
</div>
<div class="btn-group">
<button class="btn btn-default" type="button">Dropdown</button>
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu">
<li><a href="#">HTML</a>
</li>
<li><a href="#">CSS</a>
</li>
<li><a href="#">JavaScript</a>
</li>
</ul>
</div>
<a href="#" class="list-group-item btn">- Placeholder</a>
<a href="#" class="list-group-item btn">- Placeholder</a>
<a href="#" class="list-group-item btn">- Placeholder</a>
<a href="#" class="list-group-item btn">- Placeholder</a>
</div>
</div>
<!--/span-->
<div class="col-xs-12 col-sm-10 content">
<div>
<h1 class="main-head">Test</h1>
<p class="lead">Hallo
</div>
</div>
<!--/span-->
</div>
<!--/row-->
</div>
<!-- /.container -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js" integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS" crossorigin="anonymous">
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>
</body>
</html>anyway I think about draw rect like path and redraw on scaling. Any goof idea?