body{
   background:url(https://images2018.cnblogs.com/blog/1414192/201807/1414192-20180712170630985-1712116627.png)  no-repeat center center;
   background-size:cover;
   background-attachment:fixed;
   background-color:#CCCCCC;
}
/* 博客标题和副标题 */
#blogTitle {
    overflow: hidden;
    height: auto;
    text-align: center;
}

#blogTitle h1 {
    font-size: 35px;
    width: 100%;
    margin-left: 0;
}

#blogTitle h2 {
    margin-left: 0;
    width: 100%;
    font-size: 20px;
    font-weight: bold;
    color: #000;
}
#MySignature {
    box-shadow: 8px 1px 10px #989898;
    padding: 10px;
    text-shadow: 1px 1px 1px #FFF;
    font-size: 17px;
    border-left: solid 5px #55895B;
    background: #F3F3F3;
    border-radius: 10px 10px 50% 10px;
    line-height: 2.4;
    margin: 40px 0;
}