@ugly: fuchsia;

.escape\|random\|char {
    color: red;
}

.mixin\!tUp {
    font-weight: bold;
}

// class="404"
.\34 04 {
    background: red;

    strong {
        color: @ugly;
        .mixin\!tUp();
    }
}

.trailingTest\+ {
    color: red;
}

/* This hideous test of hideousness checks for the selector "blockquote" with various permutations of hex escapes */
\62\6c\6f \63 \6B \0071 \000075o\74 e {
    color: silver;
}

[ng\:cloak],
ng\:form {
  display: none;
}

// In Bootstrap v3
.bootstrap {
    background-color: #000 \9;
}

textarea {
    font-family: 'helvetica neue','wenquanyi micro hei',\5FAE\8F6F\96C5\9ED1, \5B8B\4F53, sans-serif;
}

e('anything to unquote');