REFRESH Theme - needing code to shrink header & logo Smaller on scroll

[jwebster69]

Hi, I'm needing help with code to shrink header & logo smaller on scroll 

Like this: https://www.miumiu.com/ww/en.html

I did find a code in the forums for Dawn theme, here .. but I couldn't get it to work for Refresh.

Please help. 

Thanks!

[Dan-From-Ryviu]

Hi @jwebster69 

Refresh theme has that option. You can select it from Online Store > Themes > Customize > Header 

[jwebster69]

 Thanks Dan, However It doesn't shrink enough for what I need. I would like the end result of my header be slimmer when scrolling down. please.

Like this: https://www.miumiu.com/ww/en.html

I'm aware I'll have to add some code the theme.liquid  file. But I'm not sure how to code it.

any other suggestions on how to complete this, are welcome.

Thanks Jon