ADC homepage layout messed up on refresh (Safari)

[artntek]

Describe the bug
Using Safari on Mac and in iOS, the arcticdata.io homepage renders fine on first load. However, if you refresh the page, the layout is messed up (screenshots below)

To Reproduce
Steps to reproduce the behavior:
1a. Using Safari on Mac, or on iOS in landscape mode, load the arcticdata.io homepage
2. Use Cmd-R to refresh the page

Expected behavior
The page should reload and display exactly the same.

Observed behavior
After the page reloads, the "Login" button shape is messed up, and the page background image positioning is off (most noticeable as a white bar and mountaintops behind the menu at the top of the screen)

Screenshots

As expected, on first load:

Messed up, after refresh - Mac:

iOS:

Desktop (please complete the following information):

• OS: Mac OS Sonoma 14.4.1 (23E224)
• Browser: Safari 17.4.1
  • (Works fine in Chrome and Firefox)

Smartphone (please complete the following information):

• Device: iPhone14 Pro Max
• OS: iOS 17.5
• Browser: stock browser (Safari)

Additional Info

• works fine in other browsers
• works fine on the KNB homepage
• Couldn't try it at test.adc.io, because I couldn't find the homepage :-)