footer text visibility

[saumyayadav25]

Description

Footer text was initially of dark grey shade which was not visible clearly on black background.

Before:

After:

Related Issue

Fixes #170

Type of change

• Bug fix
• New feature

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

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