a:hover { 
cursor:url(https://files.cnblogs.com/files/laoguantongxiegogo/click_24px_1231393_easyicon.net.ico),auto;
 } //更改鼠标图标
body { 
cursor:url(https://files.cnblogs.com/files/laoguantongxiegogo/pointer_24px_1231389_easyicon.net.ico),auto; 
}//更改鼠标图标

.postTitle 
{
    font-size: 18px;/*让个人主页随笔的标题更大*/
}
.postSeparator 
{
    clear: both;
    height: 1px;
    clear: both;
    float: right;
    margin: 0 auto 2em auto;
}
.c_ad_block /*关闭下方广告*/
{
    display: none;
}
.commentform/*关闭下方广告*/
{
    display: none;
}
body:before {
    background: url(https://img2020.cnblogs.com/blog/2295978/202102/2295978-20210207231442683-1169067851.jpg) center/cover no-repeat;
    content: '';
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.20;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    -webkit-filter: grayscale(60%);
    -moz-filter: grayscale(60%);
    -ms-filter: grayscale(60%);
    -o-filter: grayscale(60%);
    filter: grayscale(60%);
       filter: gray;
}

#home{background: #fff0; /* 10% 透明背景*/}
#sidebar_news{background: #fff0; /* 10% 透明背景*/}
#sidebar_search{background: #fff0; /* 10% 透明背景*/}
#sidebar_catListLink{background: #fff0; /* 10% 透明背景*/}