Restyle "Buy ROSE" page and open Transak in new tab on small screens

[lukaw3d]

If extension popup closes you lose all progress and it's too small to fit embedded widget.

Before	After

[github-actions]

Deployed to Cloudflare Pages

Latest commit:	7494b78afb5aa887192313cb890c5fb9c3d15f7c
Status:	✅ Deploy successful!
Preview URL:	https://5eabce5f.oasis-wallet.pages.dev

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes missing coverage. Please review.

Project coverage is 80.24%. Comparing base (bb8d0e2) to head (fa2db40).
Report is 13 commits behind head on master.

❗ Current head fa2db40 differs from pull request most recent head 7494b78

Please upload reports for the commit 7494b78 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1966      +/-   ##
==========================================
- Coverage   80.52%   80.24%   -0.29%     
==========================================
  Files         204      203       -1     
  Lines        5290     5289       -1     
  Branches      968      974       +6     
==========================================
- Hits         4260     4244      -16     
- Misses       1030     1045      +15     

Flag	Coverage Δ
cypress	44.51% <0.00%> (-0.05%)	⬇️
jest	76.23% <0.00%> (-0.29%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/app/pages/FiatOnrampPage/index.tsx	0.00% <0.00%> (ø)

... and 7 files with indirect coverage changes

[lubej]

Can confirm it works fine on mobile.

Not a fan that user's wallet address being sent via get parameters, even though it should be encrypted. Would be better if this was sent via a header or something. Just something to consider.