After setting border-collapse, use col to hide the column, and use the element grid to define the normal_html/css_WEB-ITnose

?css border-collapse:collapse ?post,?hide columns?,?column?frames do not disappear...Please help me~?busy~

Reply to the discussion (solution)

This style does not hide the border
You can see its usage on this

? Do you want to hide the frame? Use col? The timing of hiding table columns is very common.

Please give me some advice!