CSS3动画无法在Chrome中使用

您必须将常规动画规则放在浏览器特定的规则 之后 ：

-webkit-animation: aia2 5s linear infinite alternate;   -moz-animation: aia2 5s linear infinite alternate;    -ms-animation: aia2 5s linear infinite alternate;     -o-animation: aia2 5s linear infinite alternate;        animation: aia2 5s linear infinite alternate; 

既然你有

-webkit-animation: aia2

-moz-animation: aia2

@-moz-keyframes aia2{    ...}@-webkit-keyframes aia2{    ...}@-o-keyframes aia2{    ...}