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

Question

What i\'m trying to do is kind of like a back to top button but to scroll down and up to a certain point on the page! Say for instance you have a long text and

Answer 1

What you would want to do is put an "anchor" at the top of the page, using an tag (it's not JUST useful for links!). Then, when you have a link that goes to #nameofanchor, it scrolls to the anchor with that name. You'd do it like this:

Back to top

Here is a working jsfiddle: http://jsfiddle.net/qf0m9arp/1/