body {
  background-color: #000;
  font-family: courier;
}
.goback {
  background-color: mistyrose;
  display: block;
  position: relative;
  left: -5rem;
}
.main {
  margin: 1%;
  font-size: 1rem;
  background-color: mistyrose;
  color: black;
}
h1 {
  text-shadow: -2px -2px 2px;
}
th {
  text-align: center;
}