@mixin fixed($removal-breakpoint) {
  .fixed {
    position: fixed;
    &.pinned {
      position: absolute;
    }
    @if $removal-breakpoint != false {
      @include respond($removal-breakpoint) {
        position: relative !important;
        top: auto !important;
        left: auto !important;
      }
    }
  }

  .unfixed {
    position: relative !important;
    top: auto !important;
    left: auto !important;
  }
}