CSS Tooltip Animation/ Fade In Tooltips
The CSS fade in tooltip or tooltip animation is used to fade in the tooltip text when it is about to visible. The CSS3 "transition" property along with "opacity" property is used o attain fade in tooltip or tooltip animation. The animation time from being completely invisible to 100% visible is specified in second.
Let's take an example to demonstrate the CSS tooltip animation. In this example, the fade in time is 5 second.
See this example:Test it Now