I am expert Frontend Developer and i can help you in creating awesome, attractive and interactive state of the art website as per new rules and regulations. In Addition if you are going through any trouble regarding HTML and CSS do let me know and i will fix it in no time.
Simple HTML + CSS fixes = 1 to 5 gigs
Mid level Issues HTML + CSS fixes = 5 to 10 gigs
Major Customization will be done based on your requirements.