* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f1f3f6;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 400px;
  padding: 20px;
  background-color: white;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  border-radius: 10px;
}

h1 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 25px;
}

.box {
  margin-bottom: 30px;
}

input {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  margin-top: 6px;
  margin-bottom: 12px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  width: 100%;
  padding: 12px;
  background-color: #0066cc;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #004999;
}

p {
  font-weight: bold;
  color: green;
  margin-top: 5px;
  font-size: 16px;
}

/* Responsive font and layout */
@media (max-width: 480px) {
  .container {
    padding: 15px;
  }

  h1 {
    font-size: 20px;
  }

  button, input {
    font-size: 15px;
  }

  p {
    font-size: 15px;
  }
}