@if $use-container == true {
  //------------------------------------
  //  CONTAINER
  //------------------------------------
  .container {
    @include container();
  }
}

@if $use-container == true {
  //------------------------------------
  //  CONTAINER
  //------------------------------------
  .container {
    margin: 0 auto;

    @include responsive("width", 90%,
      (
        "small"       : 620px,
        "medium"      : 768px,
        "large"       : 960px,
        "extra-large" : 1140px
      )
    );
  }
}

Use the new `.responsive()` mixin
Use the new `.responsive()` mixin
