进入效果 neon

@-webkit-keyframes neon {
  0% {
    opacity: .3;
    -webkit-transform: scale(2);
	transform: scale(2);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
	transform: scale(1);
  }
}

-webkit-animation: neon 0.5s ease 1 0 normal both; 
animation: neon 0.5s ease 1 0 normal both;