html how to fix blocky scroll code example

Example 1: DISABLE the Horizontal Scroll

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

Example 2: javascript to help find overflow elements

var docWidth = document.documentElement.offsetWidth;

[].forEach.call(
  document.querySelectorAll('*'),
  function(el) {
    if (el.offsetWidth > docWidth) {
      console.log(el);
    }
  }
);