Add pagination components and enhance header text display, update styles

[leewyatt]

1. Add LotwPagination component.
2. Add LearnPagination component.
3. Wrap Details Page header text for better display.
4. Fix sorting error on Learn category page.
5. Remove "Related" text from header.
6. Add pressed styles for back button, more button, and others.
7. Update css

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