.container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
h1 {
  font-size: 36px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 20px;
  text-align: left;
}
label {
  display: block;
  margin-bottom: 5px;
}
input[type="text"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}
button {
  background-color: #4c4eaf;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
}
button:hover {
  background-color: #3e668e;
}
.result {
  margin-top: 20px;
}