为什么第2种写法,按答案那么写却不动呢?
@-webkit-keyframes bird-slow {
0% {
background-position: -0px 0px;
}
100% {
background-position: -273px 0px;
}
}
@-webkit-keyframes bird-slow {
0% {
background-position: -0px 0px;
}
100% {
background-position: -273px 0px;
}
}
2015-12-22
举报