Enhancement: Case study page UI Improvement

[TenzDelek]

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Which issue(s) this PR fixes:

Fixes #

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

UI changes

• What is the current behavior? (You can also link to an open issue here)

old user interface

• What is the new behavior (if this is a feature change)?

redesign and implement new UI with mobile responsiveness and a clean code

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

no

• Other information:

Screenshots:

In Mobile view

[kubeedge-bot]

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[kubeedge-bot]

Welcome @TenzDelek! It looks like this is your first PR to kubeedge/website 🎉

[TenzDelek]

PTAL @Shelley-BaoYue, As this page was not mentioned in the lfx task, i thought of creating it nonetheless for the UI improvement. can you please take a look at it . thank you

/assign @Shelley-BaoYue

[harshita9104]

Hello @TenzDelek ,
I have already worked on this issue and created a PR for the same (#674)
which was also reviewed by @Shelley-BaoYue

[TenzDelek]

Hello @TenzDelek , I have already worked on this issue and created a PR for the same (#674) which was also reviewed by @Shelley-BaoYue

@harshita9104 , I only see mobile responsiveness in your pr. this pr is for overall UI improvement. including the responsiveness.