Exploring the eccentricities of browser rendering

Check out this JS Fiddle demonstration.

Key Details:

  • The div has a width of 500px
  • The image inside is horizontally centered using CSS (margin: 0 auto)
  • The image is wrapped in an anchor tag (with no additional CSS styling)

Issue:
Upon inspecting the anchor tag (using Firebug or another inspector), it displays the same dimensions as the image. However, the entire div is clickable.

Queries:

  • Is Firebug incorrectly displaying the size of the anchor tag?
  • Could this be a browser error? (I doubt it)
  • What could possibly be causing this curious behavior?

Answer №1

It seems likely that the reason for this behavior is due to the display:block styling applied to the <img> element. This causes the actual element, not just the image itself, to expand to fit its allocated width. When you remove the display:block rule, the clickable area reverts back to just the image size.

So, the real question is: How can you center the linked image while keeping the clickable area limited to the image? One solution could be:

div { width: 500px; text-align:center; }

Answer №2

The image is enclosed within the anchor tag, and it has a margin applied. The margin value is not set to 0; instead, it is calculated as the difference between 500 and half the width of the image.

To eliminate the margin, you can enclose both the image and anchor inside a div container and then position the div using margin: 0 auto;

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