The followings are short-cuts for Mozilla Firefox Some keys are version specific
#Mouse shortcut
Shortcut Description
Double-click (On a word) - Select the word.
Triple-click - Select entire line.
Wheel click - Activate the Smooth scrolling
Hold Ctrl + Scroll Wheel forward Increase font size
Hold Ctrl + Scroll Wheel backward Decrease font size
Click one point then hold Shift & click another