Custom PHP/CSS Integration for News Script

I'm seeking an experienced PHP/CSS developer to enhance my custom-built news script. The task involves:

- Adding a horizontal header with:
- Navigation bar
- Search bar
- Logo placement

- Integrating mobile banner ads via iframe without disrupting the original script functionality.

Ideal skills and experience:
- Strong proficiency in PHP and CSS
- Experience with custom-built CMS integration
- Familiarity with iframe implementation
- Attention to detail to maintain original script integrity

Looking forward to your bids!