Nice simple elegant tabs in Bootstrap 4
Nice elegant tabs in bootstrap 3
Cards in bootstrap 3, elegant and nice
Cards in bootstrap 3, elegant
Tabs in Bootstrap3, from Bootsnipp, simple and elegant
Progressbar in light and dark colors, elegant, CSS3 and very neat
More Tabs in Bootstrap4, non-default that is smooth look, and elegant
Export multiple sheets as pages in 1 pdf, doc, still rough and not elegant as ...
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