CSS to keep element at "fixed" position on screen

You may be looking for position: fixed.

Works everywhere except IE6 and many mobile devices.

The easiest way is to use position: fixed:

.element {
  position: fixed;
  bottom: 0;
  right: 0;
}

http://www.w3.org/TR/CSS21/visuren.html#choose-position

(note that position fixed is buggy / doesn't work on ios and android browsers)

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