That's what Sigil has to offer:
Quote:
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" xmlns:xml="http://www.w3.org/XML/1998/namespace">
<head>
<meta content="true" name="calibre:cover" />
<title>Cover</title>
<style type="text/css">
@page {padding: 0pt; margin:0pt}
body { text-align: center; padding:0pt; margin: 0pt; }
</style>
</head>
<body>
<div>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="100%" preserveAspectRatio="none" version="1.1" viewBox="0 0 508 751" width="100%">
<image height="751" width="508" xlink:href="../Images/cover.jpeg"></image>
</svg>
</div>
</body>
</html>
|
preserveAspectRatio is set as "none", but I don't get where the problem is

The error message says, it has to match the regular expressions and "none" is listed as such.