LibWeb: Fix clearance to update y offset within current block

If a box has clearance and margin bottom of preceding box is greater
than static y of the box then it should also affect y offset in current
block container so subsequent boxes will get correct y position too.

1 files changed, 2 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp b/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
index 92198e0f15..e4b6d66ad9 100644
--- a/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
+++ b/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
@@ -636,6 +636,8 @@ void BlockFormattingContext::place_block_level_element_in_normal_flow_vertically
             for (auto* containing_block = child_box.containing_block(); containing_block && containing_block != &root(); containing_block = containing_block->containing_block())
                 clearance_y_in_containing_block -= m_state.get(*containing_block).offset.y();
 
+            if (clearance_y_in_containing_block > y)
+                m_y_offset_of_current_block_container = clearance_y_in_containing_block;
             y = max(y, clearance_y_in_containing_block);
             float_side.clear();
         }