body{
 background-color: #eee;
background-image: url('https://images.cnblogs.com/cnblogs_com/jayxiangnan/1213992/o_bg.jpg');
background-size: cover;
background-attachment: fixed;
font-family: Verdana, Arial;
color: #333;
}
#home{
 margin-top: 0;
 margin-bottom: 0;
}
#blogTitle{
 margin-bottom: 60px;
}
.postBody a:link, .postBody a:visited, .postBody a:active{
 text-decoration: underline; 
 color: #21759b;
}
.postBody a:hover{
 color: #000;
}