(#436) Increase size of checkboxes to 25px by 25px

[alexaveldanez]

Description Of Changes

Increases the size of checkboxes to 25px by 25px

Motivation and Context

This change is needed for WCAG compliance.

Testing

1. Preview CCM using Visual Studio in Google Chrome Browser.
2. Open Developer Tools in the browser.
3. Log into CCM.
4. Inspect any of checkboxes to view the pixel size.

Operating Systems Testing

Windows 10 Pro

Change Types Made

• Bug fix (non-breaking change).
• Feature / Enhancement (non-breaking change).
• Breaking change (fix or feature that could cause existing functionality to change).
• Documentation changes.
• PowerShell code changes.

Change Checklist

• Requires a change to the documentation.
• Documentation has been updated.
• Tests to cover my changes, have been added.
• All new and existing tests passed?
• PowerShell code changes: PowerShell v3 compatibility checked?

Related Issue

#436

Fixes #436

[st3phhays]

LGTM!