diff --git a/Tests/LibWeb/Layout/expected/grid/item-column-span-2.txt b/Tests/LibWeb/Layout/expected/grid/item-column-span-2.txt
new file mode 100644
index 00000000000..182489a11c3
--- /dev/null
+++ b/Tests/LibWeb/Layout/expected/grid/item-column-span-2.txt
@@ -0,0 +1,21 @@
+Viewport <#document> at (0,0) content-size 800x600 children: not-inline
+ BlockContainer at (0,0) content-size 800x600 [BFC] children: not-inline
+ BlockContainer
at (8,8) content-size 784x35.40625 children: not-inline
+ Box at (8,8) content-size 784x35.40625 [GFC] children: not-inline
+ BlockContainer <(anonymous)> at (8,8) content-size 0x0 [BFC] children: inline
+ TextNode <#text>
+ BlockContainer at (8,8) content-size 100x35.40625 [BFC] children: not-inline
+ BlockContainer <(anonymous)> at (8,8) content-size 0x0 [BFC] children: inline
+ TextNode <#text>
+ BlockContainer at (108.000061,8) content-size 683.999938x35.40625 [BFC] children: inline
+ line 0 width: 625.953125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
+ frag 0 from TextNode start: 0, length: 77, rect: [108.000061,8 625.953125x17.46875]
+ "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut iaculis venenatis"
+ line 1 width: 304.0625, height: 17.9375, bottom: 35.40625, baseline: 13.53125
+ frag 0 from TextNode start: 78, length: 39, rect: [108.000061,25 304.0625x17.46875]
+ "purus, eget blandit velit venenatis at."
+ TextNode <#text>
+ BlockContainer <(anonymous)> at (8,8) content-size 0x0 [BFC] children: inline
+ TextNode <#text>
+ BlockContainer <(anonymous)> at (8,43.40625) content-size 784x0 children: inline
+ TextNode <#text>
diff --git a/Tests/LibWeb/Layout/input/grid/item-column-span-2.html b/Tests/LibWeb/Layout/input/grid/item-column-span-2.html
new file mode 100644
index 00000000000..e7ffb7b7d0f
--- /dev/null
+++ b/Tests/LibWeb/Layout/input/grid/item-column-span-2.html
@@ -0,0 +1,21 @@
+
+
+
+
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut iaculis venenatis purus, eget blandit velit venenatis at.
+
diff --git a/Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp b/Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
index 590d5cc2665..120e413fa73 100644
--- a/Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
+++ b/Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
@@ -1649,11 +1649,37 @@ CSSPixels GridFormattingContext::containing_block_size_for_item(GridItem const&
AvailableSpace GridFormattingContext::get_available_space_for_item(GridItem const& item) const
{
- auto const& column_track = m_grid_columns[item.raw_column()];
- AvailableSize available_width = column_track.has_definite_base_size ? AvailableSize::make_definite(column_track.base_size) : AvailableSize::make_indefinite();
+ CSSPixels column_width = 0;
+ bool has_columns_with_definite_base_size = false;
+ for (size_t span = 0; span < item.raw_column_span(); span++) {
+ // FIXME: This check should not be need if grid item positioning works correct
+ if (item.raw_column() + span >= m_grid_columns.size())
+ break;
- auto const& row_track = m_grid_rows[item.raw_row()];
- AvailableSize available_height = row_track.has_definite_base_size ? AvailableSize::make_definite(row_track.base_size) : AvailableSize::make_indefinite();
+ auto& track = m_grid_columns[item.raw_column() + span];
+ column_width += track.base_size;
+
+ if (track.has_definite_base_size)
+ has_columns_with_definite_base_size = true;
+ }
+
+ AvailableSize available_width = has_columns_with_definite_base_size ? AvailableSize::make_definite(column_width) : AvailableSize::make_indefinite();
+
+ CSSPixels column_height = 0;
+ bool has_rows_with_definite_base_size = false;
+ for (size_t span = 0; span < item.raw_row_span(); span++) {
+ // FIXME: This check should not be need if grid item positioning works correct
+ if (item.raw_row() + span >= m_grid_rows.size())
+ break;
+
+ auto& track = m_grid_rows[item.raw_row() + span];
+ column_height += track.base_size;
+
+ if (track.has_definite_base_size)
+ has_rows_with_definite_base_size = true;
+ }
+
+ AvailableSize available_height = has_rows_with_definite_base_size ? AvailableSize::make_definite(column_height) : AvailableSize::make_indefinite();
return AvailableSpace(available_width, available_height);
}