How to make a back-to-top button using CSS and HTML only? -

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what i'm trying kind of back top button scroll down , point on page! instance have long text , want bring user next paragraph having him click on link... i've done in past can't remember how did life of me...

what want put "anchor" @ top of page, using <a> tag (it's not useful links!). then, when have link goes #nameofanchor, scrolls anchor name. you'd this:

<a name="top"></a> <!--content here--> <a href="#top">back top</a>

here working jsfiddle: http://jsfiddle.net/qf0m9arp/1/


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