Summarize:
Observer distance Perspective: Specify distances, must have pixel units px
[Observer Perspective Perspective-origin: normal Default center]
Conversion Transform contains:rotate, translate,scale,matrix,perspective
Child element 3D effect transform-style : preserve-3d | Flat
[Object Transform-origin is typically centered by default]
[Element back backface-visibility: Generally visible by default]
element Rotation Direction rotate:x-axis left hand rule y-axis right-hand rule
Transitions transition contains : Property duration ease delay
Animation:
1. Create a rule:
@keyframes rule name x {
From: {...}
20%: {...}
50%: {...}
75%: {...}
To: {...}
}
2. Rules of Use:
div{
Animation: rule name x Duration Ease delay infinite reverse;
}
This article from the "front-end Development Study Notes" blog, declined reprint!
On the transition and animation method of CSS3 conversion 2d,3d