
body {
      background-image: url("https://kil0.neocities.org/neocities%20bg.png");
      background-size: cover;
      background-repeat: no-repeat;
     }
  
.box {
background-color: #16676b;
  background-color: #16676b;
  width: 800px;
  border: 25px solid #4e7570;
  padding: 5px;
  margin: 10px;
}