canvas#live2dcanvas {
border: 0 !important;
right: 0;
}
body { 
     background-color: #efefef;
     background-image:url(https://images.cnblogs.com/cnblogs_com/blogs/664276/galleries/1929214/o_210206060625bd3eb13533fa828b39f3a702ff1f4134960a5a7a.jpg); 
     background-repeat: no-repeat; 
     background-attachment: fixed; 
     background-position: center 0; 
     background-size: cover; 
    padding-top:0px;
    opacity: 0.8;
  }