Why Does My Text Align Differently on Mac and PC?

Font Rendering/Line-Height Discrepancy on Mac vs. PC

The presented issue involves misalignment of text content in an HTML document when viewed on Mac and PC devices. The apparent misalignment is attributed to variations in font rendering across OS platforms.

CSS Configuration

The provided CSS code employs a series of table-cell properties to align the content within its respective containers:

.display {
    display: table-cell;
    height: 70px;
    vertical-align: middle;
    padding: 3px 15px 0;
}

Observation

On Windows, the text content appears to be rendered within the intended boundaries of its container. However, on Mac, a slight shift occurs, causing the text to extend outside the container, resulting in the observed misalignment.

Possible Causes

The root cause of this discrepancy lies in the font rendering differences between Mac and PC. Each OS employs its own font rendering engine, leading to variations in how characters are displayed and spaced.

Troubleshooting Attempts

The provided code indicates that various troubleshooting measures have been implemented, including:

• Assigning line-heights and font-weights
• Establishing heights and padding
• Utilizing percentages/em/px for padding

Despite these efforts, the alignment issue persists across platforms.

Possible Solutions

• Review Font Properties: The problem may be related to the specific font being used, Cutive. Consider testing with a different font, such as Arial, which may exhibit more consistent rendering.
• Font Squirrel Generator: Download Cutive font and process it using Font Squirrel's font-face generator. Enable the "Fix Vertical Metrics" option in "Expert" mode.
• Revisit Table-Cell Approach: Explore customizing heights and padding for each specific element and child rather than relying on table-cell properties. This may introduce its own potential for OS-based inconsistencies.

Categorization

The issue can be attributed to a combination of factors:

• Line-height variations due to font rendering differences
• Font-family-specific rendering inconsistencies
• Browser-specific rendering behaviors on different OS platforms

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