body {
  font-family: Arial, sans-serif;
  background-color: #f7f7f7;
  margin: 0;
  padding: 20px;
}
.container {
  max-width: 500px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
input, button {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  font-size: 16px;
}
button {
  background-color: #0077cc;
  color: white;
  border: none;
  cursor: pointer;
}
button:hover {
  background-color: #005fa3;
}
#results {
  margin-top: 20px;
  font-size: 16px;
  background: #eef;
  padding: 15px;
  border-radius: 6px;
}

.form {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 3vh;
  padding: 0;
}