Added BEM Naming Convention

[Ayushmaanagarwal1211]

Description

I have changed the classes accoding to the BEM Naming convention with proper designing . The classes i changed doesn't changed any present designing BEM naming convention will surely help to understand the code thouroughly . closes : #1136

Type of PR

• [ ] Bug fix
• [x] Feature enhancement
• [ ] Documentation update
• [ ] Other (specify): ___

Screenshots / videos (if applicable)

Checklist:

• [x] I have performed a self-review of my code
• [x] I have read and followed the Contribution Guidelines.
• [x] I have tested the changes thoroughly before submitting this pull request.
• [x] I have provided relevant issue numbers, screenshots, and videos after making the changes.
• [x] I have commented my code, particularly in hard-to-understand areas.

Additional context:

[Include any additional information or context that might be helpful for reviewers.]

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Name	Status	Preview	Comments	Updated (UTC)
devlabs	❌ Failed (Inspect)			Jun 30, 2024 3:21pm

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@Ayushmaanagarwal1211 is attempting to deploy a commit to the himanshunarware's projects Team on Vercel.

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[Ayushmaanagarwal1211]

@panwar8279 if you are free please review it first because i changed too many files because of that it will create a conflict

[Ayushmaanagarwal1211]

@panwar8279 please review it otherwise it will create conflict again