css常用动画

• 放大缩小

        animation: lyh-scale 3s infinite  ease-in-out;
        animation-direction: alternate;
@keyframes lyh-scale {
  0% {
    transform: scale(1);
    /*开始为原始大小*/
  }
  25% {
    transform: scale(1.2);
    /*放大1.1倍*/
  }
  50% {
    transform: scale(1);
  }
  75% {
    transform: scale(1.2);
  }
}