CSS 3动画

        .rotation {            visibility: visible;            -webkit-animation: rotation 0.6s forwards;            -moz-animation: rotation 0.6s forwards;            animation: rotation 0.6s forwards;        }        @-webkit-keyframes rotation {            0% {                -webkit-transform: rotate(0deg);            }            100% {                -webkit-transform: rotate(90deg);            }        }

变化函数：

旋转九十度
rotate(90deg)

Y轴移动100px
translateY(100px)

X轴移动100px
translateX(100px)

x轴缩放1.2倍，y轴缩放0.8倍
scale(1.2,0.8)