Fixes . in HtmlWriter.grid being interpreted as an area.
Removes highlighting from HtmlWriter.grid.
Fixes wrong clearing behavior when using auto height with multiple rows in HtmlWriter.grid.
Removes all position and overflow CSS properties from HtmlWriter.grid as not to interfere with actual styling.
Removes unnecessary float container that separates the rows in HtmlWriter.grid.
Fixes some elements not being clickable due to overlay issues in HtmlWriter.grid.