Transition-delay specifies how long after it is triggered the transition will start.
Use seconds 's', or milliseconds 'ms' to define the value.
Transition-property specifies a list of properties to be changed by the transition.
List of CSS properties that can be changed with transition.
Transition-duration specifies how many seconds 's' or milliseconds 'ms' a transition effect takes to complete.
Transition is all about what happens when a property changes form one value to another. How long it takes and what timing function is used.
Transition is a shorthand rule for: