Firefox Scale the page to put a permanent set

Transfers from the original Firefox Scale the page to put a permanent set

1. Open Firefox

2. In the address bar enter about: config, and press Enter

3. Click "I understand this risk."

4. In the Search bar "layout.css.devPixelsPerPx"

5. modify the value, general use - 1,0,1 three values can, of course, you can modify according to their own needs, such as 1.1, 1.2, etc. (I prefer to set 1.25, it is possible to zoom ratio is 125%, I guess)