body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
}

.container {
  max-width: 360px;
  margin: auto;
  padding: 20px;
  text-align: center;
}

input, button {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
}

button {
  background: #0066ff;
  color: #fff;
  border: none;
  border-radius: 4px;
}

.logo {
  max-width: 140px;
  margin-bottom: 20px;
}