/**页面定制CSS代码  瀑布**/

#c{
   position: fixed; 
   top:0; 
   left: 0; 
   z-index:-10; 
   opacity:0.6;
}**/


/**页面定制CSS代码  动态线**/
* {
    margin: 0;
    padding: 0;
    border: 0;
}

/**页面定制CSS代码 背景透明度设置**/

 /** body { 
     opacity: 0.9;
     background-color: #000;
     background-image: url(https://lorempixel.com/1600/900);
     background-repeat: no-repeat; 
     background-attachment: fixed; 
     background-position: center 0; 
     background-size: cover; 
  }
**/

 body {
opacity: 0.9;
color: #000;
transition: all .4s;

/**background: url(https://gss0.baidu.com/-4o3dSag_xI4khGko9WTAnF6hhy/zhidao/pic/item/10dfa9ec8a1363273e073af5938fa0ec09fac70a.jpg) 

**/

/**background: url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1546429754138&di=36a96674313f106bd68b5e5b9ee85283&imgtype=jpg&src=http%3A%2F%2Fimg2.imgtn.bdimg.com%2Fit%2Fu%3D494584093%2C693271141%26fm%3D214%26gp%3D0.jpg);**/

/**background: url(https://img.xjh.me/random_img.php?type=bg&ctype=acg&return=302);**/

background:#000 url(https://img.xjh.me/random_img.php?type=bg&ctype=acg&return=302) no-repeat top center fixed;
fixed;
background-size: 100%;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}