My reactjs web page is fully responsive and displays consistently on Google Chrome for PC and Android. However, I have noticed that there are some differences when viewing it on Google Chrome for iOS. In particular, the loading animation and green line generated from box-shadow appear differently.
If you would like to see how it looks, you can visit the website here.
Check out the responsive design on PC: https://i.sstatic.net/fgvat.png
Here's how it looks on Android: https://i.sstatic.net/9qs5E.png
And this is how it appears on iOS: https://i.sstatic.net/7wblL.png https://i.sstatic.net/UFyjh.png
Feel free to click on the link above to access the website and see the differences for yourself!