Function for determining important selectors. Nice for frameworks.

_important.scss

// ----
// Sass (v3.4.12)
// ---- 

@function _important() {
  $apply-importants: true !default;
  @return if($apply-importants, !important, null);
}


// Some file

.primary {
  color: #ff0000 _important();
}


// Some other file

$apply-importants: false;

.secondary {
  color: #00ff00 _important();
}