#blogTitle h1
{
    height:25px;
   font-size: 25px;
   text-align:center;
}

#blogTitle h2
{
    height:15px;
   color: skyblue;
}
.postTitle a:link, .postTitle a:visited, .postTitle a:active
{
    font-size: 30px;
}
#c{
   position: fixed; 
   top:0; 
   left: 0; 
   z-index:-1; 
   opacity:0.8;
}
.backToTop {
     border: 1px dashed;
     display: none;
     width: 18px;
     line-height: 1.2;
     padding: 5px 0;
     background-color: #fff;
     color: #000;
     font-size: 12px;
     text-align: center;
     position: fixed;
     _position: absolute;
     right: 10px;
     bottom: 100px;
     _bottom: "auto";
     cursor: pointer;
     opacity: .6;
     filter: Alpha(opacity=60);
}
/* 设置签名格式 定制css样式 */
#MySignature {
    display: none;
    background-color: #B2E866;
   background: url(https://images.cnblogs.com/cnblogs_com/zx-hit/1570333/o_200624064302s1.jpg);
    border-radius: 10px;
    box-shadow: 1px 1px 1px #6B6B6B;
    padding: 10px;
    line-height: 1.5;
    text-shadow: 1px 1px 1px #FFF;
    font-size: 16px;
    font-family: 'Microsoft Yahei';
}