It can sometimes happen that displayed page content (interactive structure and all its components) is larger than browser window (and therefore we don't see everything we would like) or is much smaller (if we have e.g. 24'' display and we want fully enjoy its potential). Fortunately, most browsers can change the size of displayed content and customize it to match our requirements (zoom).

The easiest way is to push ctrl key and scroll the mouse (or touchpad) at the same time. Scrolling up make the page bigger, scrolling down smaller. Ctrl+0 (0 is a digit here) make the page displayed in "normal" (default) size.

Another possibility is to use standard toolbar. Use Display -> Page size (in Firefox), Font size (in Google Chrome) or Page -> Scale or simply keys + and - (in Opera).
Contact: jan.stransky(at)
Last update: 25th September 2018
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