Bootstrap Menu - Page darken - code helper

Bootstrap Menu - Page darken/by MDBootstrap

Preview size
Default Moto G4 Galaxy S5 Pixel 2 Pixel 2 XL iPhone 5/SE iPhone 6/7/8 iPhone 6/7/8 Plus iPhone X iPad iPad Pro Surface Duo Galaxy Fold

Change view
Standard view Side view Side-tab view Full screen

HTML

  <div class="container mt-5">

CSS

  .screen-darken{

JS

    document.addEventListener("DOMContentLoaded", function(){

Console errors: 0