This guide shows you how you can insert a table at your blog/description without having the outline (border).
To draw a table on your page content, click this icon on top menu.
1.Create the page you want, for example, in this case, I wished to categorize these 3 characters below: (Before making it borderless)
2. To make all the outline borderless, select all borders (left click and drag across borders) > click 'Borderless' > Save.