Why Do Empty Inline-Block Spans Misalign Vertically Within Their Containers?

Vertical Alignment Issues with Inline-Block Elements

In certain CSS scenarios, inline-block elements may exhibit vertical alignment inconsistencies. This question explores a specific issue where an empty span within an inline-block container fails to align vertically with its sibling element.

The reason for this misalignment stems from the default vertical-align property value for inline-block elements, which is "baseline." This value aligns the baseline of the element with the baseline of its parent container. However, if the inline-block element does not contain any text, it doesn't have a baseline, resulting in the element's alignment to the bottom margin edge of the parent.

To correct this misalignment, one can modify the vertical-align property to "top." This forces the element to align to the top of its parent, ensuring vertical consistency. Additionally, adding text to the empty span will establish a proper baseline, aligning both elements based on that baseline.

It's important to note that changing the vertical-align property will impact all inline-block elements within the scope of the style declaration. Therefore, careful consideration should be given to ensure that the desired alignment is achieved across all affected elements.

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