Wireframe

wireframe

“A wireframe is a basic visual guide used
to plan the layout and structure of a webpage or app.
It shows the placement of elements like headers,
buttons, and content without focusing on colors or design details.”

pic about example of html5_semantic_elements

semantic html

Semantic HTML uses meaningful tags (like header, article, footer) to describe the structure and purpose of web content. It improves accessibility, SEO.

first childe

:first-child is a CSS pseudo-class that targets the first child element inside its parent.