The four CSS3 transitions
skew are applied to selected content as effects. That is to say, they change the display or appearance of objects but not their underlying properties.
These transformations make it possible to present distortions of text or images that, before the advent of CSS3, was normally done through images—by using an image of text to present that text skewed, rotated, or scaled.
Rather than pushing my written communication skills beyond their limits, let's take advantage of the following figure to illustrate these four transitions: