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Border-collapse: neighbouring cells can share a border

Publisher: ResumeMaker • 1 source

Published: 23 Oct 2026 08:23 · Updated: 23 Oct 2026 08:23

AI source check: 22 Oct 2026 16:54. This is not editorial approval.

In a few sentences

In brief

border-collapse selects separate or collapsed table borders. With collapse, adjacent cells participate in a shared border model instead of each showing an independent outline.

Useful to know

border-collapse selects separate or collapsed table borders. With collapse, adjacent cells participate in a shared border model instead of each showing an independent outline. [1]

This is the first thing to check when a table seems to have doubled lines. Establish its border model before editing every cell. Spacing between separate borders belongs to the other mode.

Sources

For further detail and to check the information:

  1. [1] MDN — CSS border-collapse ↗