#back-to-top {
    background-color: #E8E8E8;
    box-shadow: 0 0 6px #2f2f2f;
    color: #2f2f2f;
    padding: 10px 10px;
    position: fixed;
    right: 50px;
    bottom: 50px;
    cursor: pointer;
}

#cnblogs_post_body h2 {
background: gray !important;
background: #406CA4 !important;
border-radius: 4px 4px 4px 4px !important;
box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
color: #FFFFF0;
font-family: "微软雅黑", "宋体", "黑体", Arial;
font-size: 17px;
font-weight: bold;
margin: 15px 0 !important;
padding: 5px 0 5px 20px;
}

h1 a:visited, 
h1 a:link {  
color : green;  
} 
#top   
{  
color : red;  
}




# 取色网址：https://www.114la.com/other/rgb.htm