Why Do Inline-Block Elements with Content Misalign Vertically?

Vertical Alignment of Inline-Block Element with Content

Question:

Why does an inline-block element containing content appear to misalign vertically?

Explanation:

By default, inline-block elements are vertically aligned using the baseline rule. This means that the baseline of the element (the line on which most letters rest) is aligned with the baseline of its parent container.

However, when one of these elements contains no content, as in the provided CSS, the browser defaults to aligning the element at the bottom margin edge. This discrepancy can lead to a perceived vertical misalignment.

Solution:

To ensure proper vertical alignment, set the vertical-align property to top. This will align the element at the top of its parent rather than using the default baseline rule.

.divAccountData {
    display: inline-block;
    background: red;
    width: 400px;
    height: 40px;
    vertical-align: top;
}

Note:

If both inline-block elements contain the same number of lines of text, adding text to the second element may appear to fix the alignment issue. However, this is only because it forces the second element to establish a baseline. If the number of lines changes, the alignment will become inconsistent again without applying the vertical-align property.

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