discardDuplicates

Removes duplicated rules, at-rules and declarations. Note that this only works for exact duplicates.

.box {
    border: 1px solid silver;
}

.box {
    border: 1px solid silver;
}
.box {
    border: 1px solid silver;
}

Latest release v4.0.0-rc.0 · Changelog · Distributed under the MIT License.