.firefox-only(@ruleset) {
    @supports (-moz-appearance: none) {
        @ruleset();
    }
}

.safari-only(@ruleset) {
    @supports (-webkit-hyphens: none) {
        @ruleset();
    }
}

.ios-only(@ruleset) {
    @supports (-webkit-touch-callout: none) {
        @ruleset();
    }
}

.chrome-only(@ruleset) {
    @supports (not (-moz-appearance: none)) and (not (-webkit-hyphens: none)) {
        @ruleset();
    }
}