body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f2f2f2;
}
h1 {
  text-align: center;
}
.result {
  background: white;
  padding: 10px;
  margin-bottom: 10px;
  border-left: 5px solid #ccc;
}
.ok {
  border-color: green;
}
.redirect {
  border-color: orange;
}
.error {
  border-color: red;