body {
  background-image: url("https://gaxolotlsite.neocities.org/bgs/bluebrick.gif");
  color: white;
  font-family: Didot, serif;
  margin: 20px;
}

.boxpls {
  margin: 4px 100px;
  border-width: 3px;
  border-style: solid;
  border-color: blue;
  background: black;
}