What is causing the inconsistency in the widths of these HTML elements?

I recently created multiple div elements with a uniform width of 5px.

Here is the CSS code I used:

div {
  background-color: black;
  width: 5px;
  height: 100px;
  display: inline-block;
}

To my surprise, despite setting the same width for all divs, some appear to be slightly larger by 1px. Can anyone shed light on why this might be happening?

You can view the outcome here.

Answer №1

At first, I found myself puzzled by the space between the elements and couldn't understand its purpose. It dawned on me that it's not actually a margin, but rather the whitespace between the rendered divs.

This white space doesn't adhere to a strict 1px measurement, which leads to some rounding issues causing certain divs to appear slightly larger or smaller than others.

Answer №2

It's possible that browsers round off pixel values because they use whole numbers for pixel values, leading to potential errors. You could experiment with using flex or grid layouts, or adjusting the width of your elements may also help.

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