is.top = el.offsetTop - this.$outer.offsetHeight;
    this.left = el.offsetLeft - 10;
    this.$outer.setAttribute('style', 'left: ' + this.left + 'px; top: ' + this.top + 'px');
    this.updatePermalink();
    this.updateReferences();
    this._activeEl = el;
    if (this.top < document.body.scrollTop && el === target) {
      // don't scroll unless it's a small thing (< 200px)
      this.$outer.scrollIntoView();
    }
  },

  updatePermalink() {
    this.$permalink.setAttribute('href', makeLinkToId(this.e