Updating a variable to the colour as per best practices

[meejain]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #17

Test URLs:

• Before: https://main--impala--mkclawson.hlx.live/
• After: https://issue17-styling-blog-page--impala--mkclawson.hlx.live/blog/rocky-mountain-snow

[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	Scores	Audits	Google
/blog/rocky-mountain-snow

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/blog/rocky-mountain-snow

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/blog/rocky-mountain-snow

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/blog/rocky-mountain-snow

[meejain]

@helms-charity - Pl check the blog pages -

https://issue17-styling-blog-page--impala--mkclawson.hlx.live/blog/rocky-mountain-snow https://issue17-styling-blog-page--impala--mkclawson.hlx.live/blog/pandemic-woes https://issue17-styling-blog-page--impala--mkclawson.hlx.live/blog/garaged https://issue17-styling-blog-page--impala--mkclawson.hlx.page/blog/bringin-back-baby

If no content needs to be changes on these pages, then I suppose we may proceed further to merge it & take next one with Autoblocking these blog pages.

Many Thanks,