Module sizing 

solver3/sizing.rs

Pass 2: Sizing calculations (intrinsic and used sizes)

Functions

calculate_intrinsic_sizes

Phase 2a: Calculate intrinsic sizes (bottom-up pass)

calculate_used_size_for_node

Calculates the used size of a single node based on its CSS properties and the available space provided by its containing block.

collect_inline_content

extract_text_from_node

resolve_percentage_with_box_model

Resolves a percentage value against an available size, accounting for the CSS box model.