<html>
<head>
<style>
h1 {
border-left-style: dashed;
}
div {
border-style: solid;
border-left-style: dashed;
}
</style>
</head>
<body>
<h1>A heading with a dashed left border</h1>
<div>A div element with a dashed left border.</div>
</body>
</html>