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I already hold a finished HTML/CSS theme and now need it woven into every page of my current site. The content, links, and back-end logic stay exactly as they are; only the visual layer changes. Your job is to replace the existing layout, styles, and assets with the new files, make sure each template calls the updated CSS correctly, and confirm that everything looks identical to the supplied design across modern browsers and devices. Deliverables • Full integration of the supplied HTML/CSS into all live pages • Responsive behaviour matching the provided theme • Cross-browser QA (Chrome, Firefox, Safari, Edge) with screenshots of key breakpoints • A brief hand-over note summarising files touched and how to revert if needed I will provide the zipped theme and access to the current codebase as soon as we start.
Project ID: 40686239
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436 freelancers are bidding on average $410 AUD for this job

⭕⭕ FRONT-END INTEGRATION & THEME IMPLEMENTATION EXPERT ⭕ Hi there, ✔️ I understand that your new HTML/CSS theme is already completed and approved. The objective is to seamlessly integrate that visual layer across the existing website while preserving all current content, URLs, functionality, and back-end logic. ✍️ What technology powers the current website (PHP, Laravel, WordPress, Django, Node.js, etc.)? ✍️ Approximately how many templates/pages require integration into the new design? ➰ My recommendation is to first map the existing template structure against the supplied theme before making changes. This ensures the integration remains clean, minimizes regressions, and keeps all current functionality intact. I’d be happy to review the zipped theme and codebase structure and provide a precise implementation plan before development begins. Thank you.
$500 AUD in 7 days
10.0
10.0

✔️ Hello, Your finished HTML/CSS theme needs to be applied across the current site while keeping content, links, and back-end logic unchanged. We would first map every live template/page type to the supplied theme files, then integrate styles/assets without touching business logic. - Keep the current server-rendered templates; no SPA rewrite unless your stack requires it. - Replace layouts, CSS calls, and assets with the supplied theme, pixel-matched to it. - Leave API/backend flows intact and only adjust markup needed for the new visual layer. - Test responsive breakpoints in Chrome, Firefox, Safari, and Edge with screenshots. Webcapitan is a Ukrainian web development studio with 8+ years on Freelancer, Preferred Freelancer status, and 580+ 5★ reviews. Is the zipped theme covering all page types, or are there pages needing adaptation from closest layouts? What stack/template engine is the current site using? Please let me know your thoughts. Looking forward, Roman
$420 AUD in 2 days
10.0
10.0

I am Rajat from 360 Elevate, a full-stack digital agency with extensive expertise in CSS, HTML, and frontend development. Our history dates back to 2010, where we began with content creation and online publishing before transforming into a comprehensive solution provider for web design and development, site optimization, SEO and much more. Rest assured, my decade-long experience in this space makes me the ideal fit for your project. Whether it's integrating a fresh HTML/CSS theme into an existing site or crafting completely new ones on platforms such as WordPress, WooCommerce, Shopify, Wix and Webflow - we are no strangers to your requirements. I understand the vital importance of maintaining a consistent aesthetic across browsers and devices while ensuring responsive behavior is on point. Our worked-on projects include complete platform redesigns using complex frameworks and CMSs in addition to optimizing website speeds and security post-launch. I can guarantee meticulous QA with screenshots of key breakpoints on Chrome, Firefox, Safari and Edge.
$250 AUD in 7 days
9.8
9.8

Replacing a site's visual layer while keeping every existing link, content flow and backend process untouched needs more than dropping new HTML over the old templates. The important part is mapping the supplied theme into the current structure without breaking dynamic sections, forms or existing scripts. I would first review the zipped theme alongside your codebase, identify the shared layouts and unique templates, then integrate the new markup, CSS, fonts and assets while preserving the current backend hooks. After page-by-page checks, I would test responsive behaviour and run QA across Chrome, Firefox, Safari and Edge, with screenshots at the agreed breakpoints. One thing I would confirm upfront is whether the supplied theme covers every current page/state and how many unique templates exist. That helps avoid discovering missing UI coverage halfway through. I will also document the files touched and provide a simple rollback note. Relevant work and portfolio: https://www.freelancer.com/portfolio-items/11539740-microlent-systems-portfolio Happy to review the theme and existing code structure first and discuss the cleanest integration plan. Jenifer
$500 AUD in 10 days
9.4
9.4

Hi there, We understand you need a full-site design refresh, integrating a new HTML/CSS theme into your existing site without altering the content, links, or back-end logic. You've already prepared a finished theme and now require it to be woven into every page, ensuring a seamless visual update. Our team at Webbook Studio has extensive experience in similar projects, such as the redesign of a web/digital agency's website using custom PHP and WordPress, and the development of a learning platform with a unique design in Figma. With 17 years of experience and a 5.0 rating across 458 reviews, we're confident in our ability to deliver high-quality frontend development services. We'll replace the existing layout, styles, and assets with the new files, ensure each template calls the updated CSS correctly, and verify that everything looks identical to the supplied design across modern browsers and devices. Can you tell us more about the current technology stack and CMS (if any) used in your site, to help us better understand the integration process? Feel free to message us to discuss the details! — Webbook Studio
$670 AUD in 10 days
9.3
9.3

Hi — Elias here from Miami. I understand you're looking to refresh your website's design by integrating a completed HTML/CSS theme across all pages. This is a crucial step in ensuring your site reflects your brand and engages visitors effectively. What usually matters most here is how seamlessly the new design integrates with existing functionality. A common issue in projects like this is maintaining performance and ensuring compatibility with the backend. The tricky part is managing potential conflicts between CSS styles and existing JavaScript. My approach would involve a thorough review of your current site architecture. I would ensure the new design enhances usability while keeping core functionalities intact. This means focusing on aesthetics and user interactions. I’ve handled similar design refreshes that required careful integration with existing PHP systems, ensuring stability and maintainability. A few questions to better understand the scope: Q1 – Are there specific user roles or workflows we need to consider during integration? Q2 – How do you envision handling any existing integrations that may be impacted? Q3 – What are your expectations regarding site performance post-refresh? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$500 AUD in 3 days
8.7
8.7

Proposal Summary: I will seamlessly integrate a new HTML/CSS theme into your existing website, ensuring a consistent visual experience across all pages. The theme will be fully responsive and cross-browser compatible, with thorough testing conducted. After completion, I will provide a handover note detailing all modifications made. I propose a long-term partnership for ongoing support and enhancements. With my expertise in frontend development, I am committed to delivering high-quality results efficiently.
$675 AUD in 5 days
8.9
8.9

Dear Valuable Client, At CnEl India, we specialize in full-site visual overhauls, template integration, and seamless UI refactoring without disturbing existing backend logic, SEO structures, or database connections. We can integrate your new HTML/CSS theme into all live pages while maintaining 100% operational continuity. Our Project Methodology: Environment Setup & Safe Branching: Establish a isolated staging environment and git branch to work directly with your current codebase, ensuring zero risk to your live production site. Template Refactoring & Theme Integration: Systematically replace legacy styles, layouts, and assets with your provided theme files. Refactor template files to point to updated CSS/JS dependencies while keeping all existing content tags, internal links, forms, and backend logic intact. Responsive & Cross-Browser QA: Conduct thorough testing across desktop, tablet, and mobile viewports (Chrome, Firefox, Safari, Edge) to verify design precision. We capture screenshot proof across key breakpoints for your review. Handover & Rollback Documentation: Deliver a clear summary of all modified files along with straightforward rollback instructions and seamless production deployment. Ready to start as soon as credentials are provided! Best regards, CnEl India Team
$500 AUD in 15 days
9.1
9.1

Greetings from Istanbul, I'm Yilmaz. , Unique UI/UX Architecture: We won’t let your company’s website look like your competitors’. We create fully customized digital solutions that reflect your digital identity and maximize the user experience. A corporate website is your global business card. With over 340 successful projects under our belt, my team and I have specialized in building high-quality, secure, and fast web platforms using custom designs. We prioritize design before development. No off-the-shelf templates. Performance: SEO-friendly, mobile-responsive, and ultra-fast loading speeds. Three months of free technical support to ensure everything works perfectly. We’ve worked with both global companies and new startups. I’d be happy to share some of our latest corporate projects with you. Prices are negotiable. Let’s discuss the details. Yılmaz S. Founder | UIX Web Studio
$500 AUD in 7 days
8.9
8.9

Hi, I reviewed your request to refresh the full site by weaving your existing HTML/CSS theme into every live page, keeping content, links, and back-end logic exactly as-is. I’ll replace the current layout, styles, and assets with the new theme files, ensuring each template loads the updated CSS correctly across the whole project using Website Design, PHP, Web Development, and CSS. I’ll verify responsive behaviour to match the provided design and run cross-browser QA in Chrome, Firefox, Safari, and Edge, then share screenshots and a quick hand-over note. Let’s discuss here now.
$250 AUD in 30 days
8.5
8.5

Hello, My name is Daniel, and I’m a WordPress developer specialized in WordPress and Elementor and HTML/CSS/JS custom business websites. I will integrate your supplied HTML/CSS into every live page, keeping content, links and backend logic exactly as they are while replacing layouts, styles and assets to match the provided design. My approach is to map and update each template to call the new CSS, swap asset paths, adjust responsive breakpoints where needed, and perform cross-browser QA on Chrome, Firefox, Safari and Edge with screenshots of key breakpoints. I will deliver a concise hand-over note listing files changed and clear steps to revert if necessary. Best regards, Daniel
$650 AUD in 5 days
8.3
8.3

Hi, I can tell this isn’t a redesign request so much as a precision integration job: you already have the visual system, and the real risk is keeping the current site logic untouched while making every page render consistently. I’ve handled similar full-site theme refreshes in PHP/HTML/CSS projects, replacing layouts and assets, wiring templates to the updated styles, and checking responsive behavior across modern browsers without disturbing content, links, or backend logic. I’ll map the existing templates to the supplied theme, verify CSS/asset loading on each page, and document exactly what was changed so rollback stays simple. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I’d begin by comparing the current template structure against the zipped theme, then I’ll implement the refresh page by page and validate the key breakpoints with screenshots. Are your current pages built from a shared template system, or do some sections need one-off adjustments to match the new design? Are your current pages built from a shared template system, or do some sections need one-off adjustments to match the new design? How many unique page layouts are included in the refresh? Do you want the handover note to include a rollback checklist for each edited file? Looking forward to your reply so we can finalize the exact plan. Sincerely, Asad
$250 AUD in 10 days
8.3
8.3

Hello, Hope you are doing well, I’ll replace only the visual layer, integrate the new assets/CSS into every template, ensure responsive behavior, and perform Chrome, Firefox, Safari, and Edge QA with key breakpoint screenshots. With 10 years of experience in HTML/CSS, responsive UI integration, WordPress/PHP, and frontend development, I can deliver a pixel-accurate implementation with clean, reversible changes. Let’s chat and share the theme files and current codebase so I can review the structure and get started. thank you Regards Gaurav Garg
$500 AUD in 7 days
8.7
8.7

Hi, I can integrate your supplied HTML/CSS theme across all existing pages while keeping the current content, links, backend logic, and functionality completely unchanged. I’ll replace the visual layer, connect the new CSS/assets correctly, ensure responsive behavior matches the provided design, and perform cross-browser QA on Chrome, Firefox, Safari, and Edge. I’ll also provide breakpoint screenshots and a brief handover note covering the files changed and rollback process. Once you provide the theme files and codebase access, I can review the structure and get started. Best regards, Muhammad Rizwan LA
$250 AUD in 2 days
8.3
8.3

I’ll integrate the supplied HTML/CSS theme across every live page while keeping the existing content, links, PHP logic, and back-end behaviour unchanged. I’ll begin by mapping the current templates and shared layout components, then replace the visual layer, connect the updated CSS and assets with correct paths, and resolve any page-specific differences without duplicating or breaking existing functionality. I’ll also verify navigation, forms, dynamic content, and reusable header/footer elements after integration. Responsive testing will cover the key desktop, tablet, and mobile breakpoints, followed by QA in Chrome, Firefox, Safari, and Edge. I’ll provide screenshots of the main breakpoints and a concise hand-over note listing files changed and the safest revert procedure. My PHP/frontend experience includes delivering a custom WordPress theme and orders plugin, along with extensive HTML, CSS, responsive, and template-based work. I can start as soon as the theme ZIP and codebase access are provided and work directly within the existing structure rather than changing the application logic. Does the supplied ZIP include separate page templates, or is it mainly a single theme layout to adapt across the current pages? Muhammad Saad
$250 AUD in 4 days
7.9
7.9

Hi I can refresh your existing website by replacing the current visual layer with the new HTML/CSS/PHP files while preserving the underlying functionality. With 10+ years of web development and experience across WordPress, Shopify, and Wix, I can handle template-specific CSS implementation and ensure the updated design renders correctly. I’ll perform thorough QA across Chrome, Firefox, Safari, and Edge, checking key breakpoints and providing screenshots for review. After completion, I’ll provide a clear handover covering every change and the steps required to revert them if necessary. lets discuss in chat as I have some queries to ask regarding the project to proceed further.
$250 AUD in 7 days
8.1
8.1

Greetings, I see that you need help integrating a finished HTML/CSS theme into your existing site while keeping the current content and back-end logic intact. My approach would involve carefully replacing the existing styles and layouts with the new files, ensuring that all templates are updated to call the correct CSS. I’ll pay special attention to responsive behavior, making sure everything looks and functions beautifully on all devices. For quality assurance, I'll test the site across modern browsers like Chrome, Firefox, Safari, and Edge, providing you with screenshots of key breakpoints to confirm everything matches your design. Additionally, I’ll prepare a simple hand-over note summarizing the changes made for your reference. I'm eager to bring your vision to life and ensure a smooth transition to the new design. Best regards, Saba Ehsan
$550 AUD in 4 days
7.6
7.6

Hi, integrating the supplied HTML/CSS theme into your live codebase requires mapping assets to existing templates while preserving back-end logic. Standardizing stylesheet calls across all templates ensures consistent visual rendering. Please grant repository access so I can begin the integration process. Let's discuss! - Ajhar
$500 AUD in 7 days
7.8
7.8

I have 8+ years of experience in web development and am familiar with modern web technologies, frameworks like HTML/CSS and other tools. You want to swap the visual layer of your current site with the supplied HTML/CSS theme. I will keep your content, links, and back-end logic exactly as they are and only change the layout and styles. I will make sure each template loads the updated CSS, then test the result in Chrome, Firefox, Safari, and Edge. I will also check the main breakpoints to confirm the pages match the design on different screen sizes and send you screenshots. At the end I will provide a short note listing the files I changed and how to revert if needed. I can start right away.
$250 AUD in 4 days
7.8
7.8

Hello, FULL-SITE DESIGN REFRESH {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}} I have carefully reviewed your requirements and understand that you need the supplied HTML/CSS theme integrated across all existing pages while keeping the current content, links, and backend logic unchanged. I will replace the visual layer, integrate the updated styles/assets, ensure responsive behaviour across devices, and perform cross-browser QA on Chrome, Firefox, Safari and Edge with key breakpoint screenshots. I have 11+ years of experience in the required technologies and can handle the integration cleanly without affecting existing functionality. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. I am available according to your convenient time zone and can start immediately. I eagerly await your positive response. Thanks, Christina
$450 AUD in 4 days
7.7
7.7

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