localIdentName.css

:local(.test) {
  background: red;
}

:local(._test) {
  background: blue;
}

:local(.className) {
  background: red;
}

:local(#someId) {
  background: green;
}

:local(.className .subClass) {
  color: green;
}

:local(#someId .subClass) {
  color: blue;
}

:local(.-a0-34a___f) {
  color: red;
}

:local(.m_x_\@) {
  margin-left: auto !important;
  margin-right: auto !important;
}

:local(.B\&W\?) {
  margin-left: auto !important;
  margin-right: auto !important;
}