<!DOCTYPE html>
<html>
<head>
<title>This tests that there's no pixel gap between adjacent inlines when selected.</title>
<style>
  body {
    margin: 0px;
    font-size: 16px;
  }
  .bckg {
    width: 46.5px;
    height: 18px;
    background: rgba(255, 0, 0, 0.9);
    z-index: -10000;
  }
</style>
</head>
<body>
<div class=bckg></div>
</body>
</html>