Responsive UI does not work correctly -help needed

Hi,

page does not collapse when browsing with mobile phone. https://zumartic.github.io/

It works correctly when it is in codepen -> https://codepen.io/zumartic/full/WxBxqa/

Any ideas?

-Zumi-

Add this line of code to your Head section and magic starts to happen

<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

Awesome :sunglasses: thank you @nawazishali very much for your help.

You are welcome fellow camper.:sunglasses: