vector.rehash.js

// wikipedia.rehash [js] 1.2.1
//  - krasjet
//
// A minimal typographic rehash of Wikipedia designed for better screen
// readability.
//
// homepage: https://krasjet.com/voice/wikipedia.rehash/
$(document).ready(function() {
  var body = document.getElementsByTagName("body")[0];
  var marginLeft = window.getComputedStyle(body).getPropertyValue("margin-left");

  window.addEventListener("resize", function() {
    marginLeft = window.getComputedStyle(body).getPropertyValue("margin-left");
  });

  var callback = function(mutList) {
    var mut = mutList[0];
    var mutNode = mut.addedNodes;
    if (mutNode.length !== 0 && (mutNode[0].classList.contains("mwe-popups")
        || mutNode[0].classList.contains("rt-tooltip"))) {
      var eleLeft = mutNode[0].style.left;
      // subtract the left margin from the computed value
      mutNode[0].style.left = "calc(" + eleLeft + " - " + marginLeft + ")";
    }
  };
  var observer = new MutationObserver(callback);
  observer.observe(body, { childList: true });
});