html,body{height:100%;width:100%}
*{margin:0;padding:0;box-sizing:border-box}
body{background: grey; padding: 5px;}
.yjsdate {
	background: white;
	display: inline-block;
	margin: 0 auto;
}
.clearfix::after {
	content: "";
	clear: both;
	display: table;
}
.yjsdate>div {
	border: 1px solid black;
}

.yjsdate .e {
	width: 96px;
	float: left;
	text-align: center;
}
.yjsdate .val {
	height:20px;
	line-height: 20px;
}
.up:hover, .down:hover {
	cursor: pointer;
}
@keyframes highlight {
	0% {
		background: #ffff99; 
	}
	100% {
		background: none;
	}
}

.highlight {
	animation: highlight 0.4s;
}