This is not a website template !
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You are not allowed to redistribute or modify the code.
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This can be used for learning/reference and for GitHub pages
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This project has no license so In short, the only thing you can safely assume is that you have no rights to do anything at all with this code. In the particular case of GitHub, you can fork the repository and view the code, but nothing more.
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Read this to learn about things if the project does not have licence.