Why Don't Two 50% Width Inline-Block Divs Always Fit Side-by-Side?

Inline-Block Divs: Side-by-Side Sizing Issue

Background:
In HTML, inline-block elements allow for both inline flow and box model properties, enabling elements to be displayed horizontally without incurring the line break associated with block elements.

Problem:
However, using inline-block elements to display two 50% wide divs side by side can lead to an issue where the elements do not fit together in a single row.

Reason:
When using inline-block elements, there is an inherent whitespace between them. This whitespace is approximately 4px wide and can cause the combined width of the two divs, even though they are both set to 50%, to exceed 100% and thus overflow.

Solution:

1. Flexbox or CSS Grid:
In modern browsers, using Flexbox or CSS Grid layout is preferred for achieving side-by-side DIV alignment with precise width control.

2. Reducing Width of One DIV:
As mentioned in the question, reducing the width of one DIV to 49% can resolve the side-by-side issue, but it will introduce a small gap between the DIVs.

3. Floating Elements:
Floating both DIVs is another potential solution, but it requires adjusting the clearing techniques for proper layout.

Example Issue:

<div>
<p>In the example above, the two DIVs with 50% width would overflow due to the inherent whitespace between them.</p>
<p><strong>Conclusion:</strong><br>When using inline-block elements, it is important to be aware of the whitespace issue that can arise between them and to consider alternative approaches such as flexbox or grid layout for more precise and efficient alignment.</p>
</div>

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