[TABLE][TASK] Extract element_form.css

Change-Id: I70e0fdc2035b460de077b5eada2857af8a0db21f
[TABLE][BUGFIX] .c-table-row-spacer

Change-Id: I5402535cb9af774754a8ecc83783a65c6f0296e1
[TABLE][TASK] Unify tables: Remove typo3-dblist

Change-Id: I99b94dbf86dce1597d78d836fe3ef1862f6d826d