blog background
CSS代码:
body{background: url(http://images2015.cnblogs.com/blog/1205520/201707/1205520-20170724201549856-956490357.jpg) no-repeat fixed center 0}
CSS代码:
body{background: url(http://images2015.cnblogs.com/blog/1205520/201707/1205520-20170724201549856-956490357.jpg) no-repeat fixed center 0}