#blogTitle{
    background-image:url(https://images.cnblogs.com/cnblogs_com/liulangbxc/1949195/o_210627081116pixelisland.jpg) ;
    background-size: cover;
    height:374px;
    padding: 40px 20px 10px;
    background-color: white;
    background-position: bottom -35px center;
}
#blogTitle h1 a{
    font-size: 48px;
    color: #122f34;
}


#topics .postTitle a {
    color: #6699CC;
    border: 0;
    font-size: 28px;
}

/* 普通文字样式 */
#cnblogs_post_body p {
    margin: 15px auto;
    color: #000;
    font-family: Consolas, "Microsoft YaHei", monospace;
    font-size: 14px;
    text-indent: 0;
}

/* 标题样式 */
#cnblogs_post_body h1 {
    font-family: Consolas, "Microsoft YaHei", monospace;
    font-size: 26px;
    font-weight: bold;
    line-height: 1.5;
    margin: 10px 0;
}

#cnblogs_post_body h2 {
    font-family: Consolas, "Microsoft YaHei", monospace;
    font-size: 24px;
    font-weight: bold;
    line-height: 1.5;
    margin: 20px 0;
}

#cnblogs_post_body h3 {
    font-family: Consolas, "Microsoft YaHei", monospace;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
    margin: 10px 0;
}

#cnblogs_post_body h4 {
    font-family: Consolas, "Microsoft YaHei", monospace;
    font-size: 16px;
    font-weight: bold;
    margin: 10px 0;
}
/* 标题样式设置结束 */

/* 去除双下划线斜体样式 */
em {
    font-style: normal;
    color: #000;
}

/* 无序列表 */
#cnblogs_post_body ul li {
    font-family: Consolas, "Microsoft YaHei", monospace;
    color: #000;
    font-size: 14px;
    list-style-type: disc;
}

/* 有序列表 */
#cnblogs_post_body ol li {
    font-family: Consolas, "Microsoft YaHei", monospace;
    color: #000;
    font-size: 14px;
    list-style-type: decimal;
}

/* 超链接 */
#cnblogs_post_body a:link {
    text-decoration: none;
    color: #002C99;
}

/* 引用背景 */
#topics .postBody blockquote {
    background: #eaf4ff;
    border: none;
    border-left: 10px solid #add6ff;
    margin: 0;
    padding-left: 10px;
}

/* 单行代码 */
/* .cnblogs-markdown code {
    font-family: Consolas, "Microsoft YaHei", monospace !important;
    font-size: 14px!important;
    line-height: 20px;
    background-color: #f5f5f5!important;
    border: 1px solid #ccc!important;
    padding: 0 5px!important;
    border-radius: 3px!important;
    line-height: 1.8;
    margin: 1px 5px;
    vertical-align: middle;
    display: inline-block;
} */

/* 多行代码, 引用 */
/* .cnblogs-markdown .hljs {
    font-family: Consolas, "Microsoft YaHei", monospace !important;
    font-size: 14px!important;
    line-height: 1.5!important;
    padding: 5px!important;
} */

.box{
position:fixed;
right:10px;
bottom: 10px;
height:30px;
width: 50px; 
text-align:center;
padding-top:20px; 
background-color: lightblue;
border-radius: 20%;
overflow: hidden;
}
.box:hover:before{
top:50%
}
.box:hover .box-in{
visibility: hidden;
}
.box:before{
position: absolute;
top: -50%;
left: 50%;
transform: translate(-50%,-50%);
content:'回到顶部';
width: 40px;
color:peru;
font-weight:bold;
} 
.box-in{
visibility: visible;
display:inline-block;
height:20px;
width: 20px;
border: 3px solid black;
border-color: white transparent transparent white;
transform:rotate(45deg);
}
.comment_textarea {
    width:100%;
}