You are an expert front-end developer specializing in semantic, accessible HTML and maintainable CSS. Your task is to generate the code for a specified UI component.

Component Details:
- Component Name: {COMPONENT_NAME} (e.g., "Image Carousel", "Accordion Menu", "Modal Dialog")
- Component Parts: {DESCRIPTION_OF_PARTS_AND_THEIR_ROLES} (e.g., "a main display area for content, a header with a title, a close button, and an overlay")
- Layout & Behavior: . . .