CSS Test: Insert a block-level element into an element that contains both blocks and inlines and directly into the block-of-blocks (and not into any anonymous block-of-inlines) at the beginning of the block-of-blocks

Test passes if the 2 colorized rectangles are identical.

1stBlock

ScndBlock

1stInline

FourthBlock

Fifth55Block

SecondInline

Seven777Block

Eight8888Block

Inserted new block

1stBlock

ScndBlock

1stInline

FourthBlock

Fifth55Block

SecondInline

Seven777Block

Eight8888Block