1、背景更换

打开博客园右上角-设置-博客设置：

任意选择一款主题之后，找到博客设置中的页面定制CSS代码。

body {
       color: #000;    background: #eee;    font-family: Verdana,Arial,Helvetica,sans-serif;    font-size: 9pt;    min-height: 101%;    background-position: 0% 0%;     background-repeat: no-repeat;    background-attachment: fixed;     background-image: url("https:xxxx");//输入任意路径    background-size: cover;    background-origin: padding-box;     background-clip: border-box;}/*页首中间这一整块*/#home {
       margin: 0 auto;     margin-top: 0px;     margin-bottom: 0px;    width: 65%;    min-width: 950px;    background-color: rgba(255,255,255,0.8);    padding: 30px;    margin-top: 50px;    margin-bottom: 50px;    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);    background: url( ) no-repeat;     //这里url()里面空着是为了不加载默认主图的图片}/*页脚*/#footer{
      background: url( ) no-repeat 220px 0;     color:white;   font-weight:bold;   font-size:24px;}

持续更新中！