骨架屏动画

// 骨架屏动画 START
@keyframes skeleton-loading{
	0% {
		opacity: 1;
	}
	50% {
		opacity: 0.4;
	}
	100% {
		opacity: 1;
	}
}
.skeleton-loading{
	background-color: #e5e5e5;
	-webkit-animation-duration: 1.5s;
	animation-duration: 1.5s;
	-webkit-animation-name: skeleton-loading;
	animation-name: skeleton-loading;
	-webkit-animation-timing-function: ease-in-out;
	animation-timing-function: ease-in-out;
	-webkit-animation-iteration-count: infinite;
	animation-iteration-count: infinite;
}
// 骨架屏动画 END