Updated Responsive Header and Footer, Updated Cart Component, Fixed Styling Issues

[special-PPT]

Pull Request Template

Description

Please provide a detailed description of your pull request. Include its purpose, what problem it solves, etc.

Type of Change

Please check the options that are relevant to your PR:

• [x] Bug fix
• [ ] New feature
• [ ] Documentation update
• [x] Code refactor
• [ ] Other, please describe:

How Has This Been Tested?

Please describe the tests that you ran to verify your changes:

Checklist

Before submitting your PR, please make sure you have completed the following steps:

• [x] I have tested my changes locally and they do not break existing functionality.
• [x] I have updated the documentation accordingly.
• [x] I follow the code style of this project.

Additional Information

If applicable, add any other information that could help the reviewers.

[malker97]

这个好像是你俩有交叉的文件，所以，我把我从这个PR的reviewer list中移除了

[special-PPT]

这个好像是你俩有交叉的文件，所以，我把我从这个PR的reviewer list中移除了

好的