网站变灰
html { filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); -webkit-filter: grayscale(100%);}
消息顶部辐条
.IndexPage-toolbar::after {
content: "这里填写你要置顶在消息栏顶部的内容！";
padding: 10px;
background-color: rgba(77,105,142,0.98);
color: #ffffff;
font-weight: bold;
border-radius: 5px;
text-align: center;
font-size: 16px;
display: block;
margin: 5px 0;
}