I have to admit that I didn't design this theme. I'm not a designer. I searched the internet for a website that looks just the way I want and let's just say I "borrowed" the design.
If you are interested in what I used to develop the theme, you can find out more information about the frontend stack in my previous blog post.
Here are before and after screenshots.
Magazin Lite speed test (desktop/mobile):
GN 2021 speed test (desktop/mobile):
As you can see there are significant performance improvements, especially for the mobile theme. Jump from 68 to 99 points is definitely worth the effort and time I invested in creating the new theme.