animal与@keyframe

.test1 {

    width: 90px;

    height: 60px;

    -webkit-animation-name: skyset;

    -webkit-animation-duration: 2000ms;

    -webkit-animation-iteration-count: infinite; /*无限循环*/

    -webkit-animation-timing-function: linear;

}

@-webkit-keyframes skyset {

    0% { background: red;}

    50%{ background: blue}

    100% {background: yellow;}

}