[Designer] [A11y] The Height ("Add an action") is not greater than 24 pixels.

[osheengithub]

Problem Description

User experience: Physical impairments users would face difficulty to click small buttons if the buttons don't have the required size.

Test Environment: Platform: Web OS: Windows_11 Version: 22H2 OS Build: 22598.200 Browser: Chrome 123.0.6312.107 (Official Build) (64-bit)

Inspect "Add an action" button and verify target size. Observe the issue that the size is less than 24 x 24 pixels. Actual Result: The height size of "Add an action" is 20 pixels which is less than required 24 pixels. Expected Result: The height size of "Add an action" should be greater than 24 pixels.

WCAG Reference: Understanding Success Criterion 2.5.8: Target Size (Minimum) | WAI | W3C

Card JSON

{
    "type": "AdaptiveCard",
    "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
    "version": "1.6",
    "body": []
}

Screenshot

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