According to the documentation we can use visibility: collapse on a <col /> element to collapse or fold all associated columns. But (in Chrome and Edge) I noticed that some elements remain vi...

I'm trying to hide some col's in html code. Using MDN colgroup and col are added, and I'm playing with the style of the cols. The <td> with content text 'visible' is visible in all browsers ...

I've been trying to use properly the colgroup and the col tags but I don't get it. I read the specification and all that but I don't understand its purpose or how to implement it.

My final goal is to create a table that has a first column that remains in place, but the other columns horizontally scroll. I have found some other solutions, but am curious as to why colgroup and...

I have an HTML table with a few colgroups that I put a border around. I would like to add some space between adjacent groups. Is there a way to do this in CSS without adding empty cells between gro...

How to align all columns by colgroup? It works with colspan? Example This HTML here was tested with Firefox and Chrome, but no browser renderize the center for all expected columns. <table bord...