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Light Dues

All interactive components on a page, such as buttons or menus, should be far enough apart 
from other interactive areas, to avoid them being used by mistake. 

This ensures people with motor impairments can easily click or tap on the right element.

## How to fix

* Ensure all interactive elements are at least 24 CSS pixels wide and tall
* OR ensure there is at least 24 CSS pixels (minus the width and height of the element)
  between each interactive element

## Methodology

This check is run on both the mobile and desktop versions of every page. Results
for each may differ.

1. All interactive elements are identified, including buttons, links, and form controls.
2. If an element is not normally visible, it is ignored. This includes elements which
   are positioned offscreen or cropped (e.g. for 'screen-reader only' text).
3. If an element is larger than 24 CSS pixels in both dimensions, it passes.
4. Otherwise, the element is compared to all other elements on the page.
5. The minimum horizontal gap between the element is calculated as 24 CSS pixels,  
   minus the width of the element.
6. The minimum vertical gap between the element is calculated as 24 CSS pixels,  
   minus the height of the element.
7. If another element falls within the minimum horizontal or vertical gap, the 
   element fails, unless both are links that point to the same place.

## Further reading

* [Target Size (Minimum)](https://www.w3.org/WAI/WCAG22/Understanding/target-size-minimum.html)
* [Technique C42 - Using min-height and min-width to ensure sufficient target spacing](https://www.w3.org/WAI/WCAG22/Techniques/css/C42)

ensure-minimum-target-size

January 2026

December 2025

Commissioners of Irish Lights

Title / URL	Issues
Our Lighthouseswww.irishlights.ie/tourism/our-lighthouses.aspx	43
Contact Uswww.irishlights.ie/who-we-are/contact-us.aspx	41
Publicationswww.irishlights.ie/who-we-are/publications.aspx	41
Organisation & Boardwww.irishlights.ie/who-we-are/organisation-board.aspx	38
Newswww.irishlights.ie/who-we-are/news.aspx	38
Stakeholders & Serviceswww.irishlights.ie/who-we-are/stakeholders-services.aspx	37
Great Lighthouses of Irelandwww.irishlights.ie/tourism/great-lighthouses-of-ireland.aspx	37
Vacancieswww.irishlights.ie/who-we-are/vacancies.aspx	36
What We Dowww.irishlights.ie/who-we-are/what-we-do.aspx	36
Light Dueswww.irishlights.ie/who-we-are/light-dues.aspx	36

Ensure interactive components are far enough apart

Commissioners of Irish Lights

Where this issue has occurred