wordpress网站添加背景图片

/***日间主题模式***/
body {
background-image: url("/**这里改为你自己的图片地址**/");
background-position-x: center;
background-position-y: center;
background-repeat: no-repeat;
background-attachment: fixed;
background-size: cover;
}
/***夜间主题模式***/
.dark-theme {
background-position-x: center;
background-position-y: center;
background-repeat: no-repeat;
background-attachment: fixed;
background-image: url("/**这里改为你自己的图片地址**/");
background-size: cover;
}