The changes made in this pull request should be briefly described.
Actually in the last PR forget to make the last and next button on the last page to be black so made the,
Resolves: #151
Checklist
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[x] Has the method/class been added to the documentation (md file)?
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Description
Resolves: #151
Checklist
Screenshots
Additional Notes/Comments
I certify that I have carried out the relevant checks and provided the requisite screenshot for validation by submitting this pull request. I appreciate your contribution.