代码：
<div class="batten">
<span><a target="_blank" href="网址">内容显示区域</a></span>
</div>
动态背景颜色纯css代码：
.batten{
padding:0 15px;
margin-bottom: 15px;
background: linear-gradient(to right,white,orange,yellow,blue);
font-weight:bold;
animation: hue 3s linear infinite;
}
@keyframes hue {
0% {
filter: hue-rotate(0deg);
}
100% {
filter: hue-rotate(360deg);
}
}
.batten a{
color: #666;
}