LibWeb: Use the parent container's y offset when finding static position

Fixes #18819.
Author: https://github.com/implicitfield Commit: 5da9f52b1f Pull-request: https://github.com/SerenityOS/serenity/pull/23528 Issue: https://github.com/SerenityOS/serenity/issues/18819 Reviewed-by: https://github.com/kalenikaliaksandr ✅
2025-07-29 12:19:54 +00:00 · 2024-03-08 14:09:42 +04:00 · 2024-03-08 14:09:42 +04:00 · 5da9f52b1f · 2024-07-16 19:42:24 +09:00
commit 5da9f52b1f
parent bf06d5b634
5 changed files with 37 additions and 2 deletions
--- a/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
+++ b/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
@ -585,6 +585,7 @@ void BlockFormattingContext::layout_block_level_box(Box const& box, BlockContain
    auto& box_state = m_state.get_mutable(box);

    if (box.is_absolutely_positioned()) {
+        box_state.vertical_offset_of_parent_block_container = m_y_offset_of_current_block_container.value();
        m_absolutely_positioned_boxes.append(box);
        return;
    }