1. img:hover{ designates the html and css element to apply

2. This will rotate the image of the dog. The transform property applies a 2D or 3D transformation to an element. This property allows you to rotate, scale, move, skew, etc., elements.

3. Transition:2s; Will set the amount of time it will take for the action to occurs. The transition property is a shorthand property for the four transition properties: transition-property, transition-duration, transition-timing-function, and transition-delay.

4. } ends the stylings applied to img