<!DOCTYPE html>
<html lang="en-US">
<head>
<title>test of border-image-source: linear-gradient with border-image-repeat</title>
<style>
div {
  border: 30px solid black;
  border-image: linear-gradient(to bottom right, red, blue);
  width: 180px;
  height: 180px;
}
div.borderrepeat {
  border-image-repeat: repeat;
}
div.border12repeat {
  border-image-repeat: repeat;
  border-image-slice: 12;
}
div.border30repeat {
  border-image-repeat: repeat;
  border-image-slice: 30;
}
</style>
</head>
<body>
<div class="borderrepeat"></div>
<div class="border12repeat"></div>
<div class="border30repeat"></div>
</body>
</html>