@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("twitter.com") {
 a[title="bourbon"] img{
  display:none !important;
 }
 a[title="bourbon"]:after{
  content: url("data:image/gif;base64,R0lGODlhGAAYAMQAAIggJzoCCq%2BfoMyxmfPZu%2F70y%2Ff5%2B9LHu%2FLJ1O%2FgBKyShqBGSpY2O1kzN8JtjO3%2B%2F%2BavwsW1I9PW3dTl9Ojx%2Bpp%2Bh6eAbv%2Fh75MDD6FRWefm7cCytrPB7LGuGJ5uZP%2F%2F%2FyH5BAAAAAAALAAAAAAYABgAAAX%2F4CJiAEZuW2mSWSa%2B7oJtjxRMz%2FcpgrQxjNeLUQpIcpSJQUfJfSSYhSu4YGQEvaWBwtQsdQCqmKv7fsy6DwUDbAPLFG96%2FqmQqm7GhsmJayQHG4EfAlF4bhgZBxITFAKLgSgSCgF5bQsAAQIUKAcDAwQEFgMFFpVEbi4NDQEABAWfBQWvBQetUiVUq6wBsrO0B7IBAaAHFgAiDLwKvq%2BhtMMWz8gvpqSyBwseAsMKGB4fBwQD1AwWv6Gmw63EAxI6hVSYGbPiA%2BvrCgMaOhuGVREiiAtVwEMDAgIGeFKg44EdIRgCRgDla9asDCg%2BPAgzBACHBCAtOPg0wEGJDAgOaARi8wKDggcDQEZYEcCEgAkXEHyQAWPGBw4KCATzh6HBigoVDBhgOULAEy4aQplAAMGBAxQbJHigVgUAGR0KEnTYcKGs2ZwKuMqo0MhHhg4TsWJFQJXaFAZWHUCoOiACBLp0BQDeuiAEADs%3D") !important;
 }
}