Checkbox Hack: Overlapping Content

Without Overlap

This hidden content pushes existing content out of the way.

This is hidden content, also.

Line 1 of existing content.

Line 2 of existing content.

Line 3 of existing content.

With Overlap

This hidden content sits on top of existing content.

This is hidden content, also.

Line 1 of existing content.

Line 2 of existing content.

Line 3 of existing content.