Mobile responsiveness and styling, new content, update ruby version (… #339

Job	Run time
Set CI/CD metadata	3s
Commit stage / Count lines of code	3s
Commit stage / Check English usage	5s
Commit stage / Check Markdown format	3s
Commit stage / Check file format	6s
Commit stage / Lint Terraform	6s
Commit stage / Scan dependencies	2s
Commit stage / Scan secrets	4s
Test stage	0s
Build stage	0s
Acceptance stage	0s
	32s

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