Uncheck to exempt controls (pop-up menus, etc.) from zooming.

Check to have controls (pop-up menus, etc.) zoomed along with the rest of the content.

Uncheck to have controls (pop-up menus, etc.) zoomed to 100%, 200%, etc. only.

Check to have controls only be zoomed to the .nearest 100%

Define how smooth scrolling should start.

Define how fast you want Opera to scroll through pages.

Uncheck to disable Shift-scrolling (using the arrow keys) pixel by pixel.

Check to enable Shift-scrolling (using the arrow keys) pixel by pixel.

Uncheck to disable auto-completion in the URL field.

Check to enable auto-completion in the URL field.

Uncheck to make space follow a marked link.

Check to make the spacebar act as "page down" key (Use Shift-space to scroll up).

Uncheck to make the Escape key no longer act as a stop button.

When checked, the Escape key acts as a stop button.