Emphasized columns styling

[asthabh23]

Fix #68

Test URLs:

• Before: https://main--delta--hlxsites.hlx.page/drafts/asthabharga/us/en/skymiles/how-to-earn-miles/exception-fares
• After: https://issue-68--delta--hlxsites.hlx.page/drafts/asthabharga/us/en/skymiles/how-to-earn-miles/exception-fares

[aem-code-sync[bot]]

Hello, I'm Franklin Bot and I will run some test suites that validate the page speed. In case there are problems, just click the checkbox below to rerun the respective action.

• [ ] Re-run PSI Checks

[aem-code-sync[bot]]

Page	Score	PSI Audit	Google
/drafts/asthabharga/us/en/skymiles/how-to-earn-miles/exception-fares

[asthabh23]

Note: I have kept the width of two parts of column equal on Franklin site (between 768px and 992px) keeping it better visually, in comparison to how it is on original site. Sharing attachments below:

Franklin implementation:

Original site: