localsConvention.css

.btn-info_is-disabled {
  color: blue;
}

.btn--info_is-disabled_1 {
  color: blue;
}

.simple {
  color: red;
}

a {
  color: yellow;
}

:export {
  foo: bar;
  my-btn-info_is-disabled: value;
}

.foo_bar {
  color: red;
}