h1{
  text-align: center;
}
body{
background-image: url(https://images3.alphacoders.com/241/241059.jpg);
background-attachment: fixed;
}
#home{
background-color:rgba(255, 255, 255, 0.9)
}
#sidebar_news{
background:left
}
#home{
width:80%;
}
#sideBar{
float:left;
}
#mainContent{
float:right
}
//去广告
#ad_t2, #cnblogs_c1, #under_post_news, #cnblogs_c2, #under_post_kb {
    display: none;
}
#blog-news > img {
    /*头像*/
    display: block;
    margin: auto;
    border-radius: 50%;
}
#profile_block {
    font-size: 15px;
    padding: 20px;
    line-height: 1.8;
}

#profile_block > a:link {
    color: #F60;
}