* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: clamp(12px, 3vw, 24px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  width: min(100%, 800px);
  background: #fff;
  padding: clamp(16px, 4vw, 24px);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h2 {
  color: #333;
  font-size: clamp(20px, 5vw, 24px);
  margin: 0 0 12px;
}

textarea {
  width: 100%;
  min-height: clamp(120px, 28vh, 240px);
  padding: 10px;
  margin-bottom: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  resize: vertical;
  font-size: 16px;
  line-height: 1.5;
}

button {
  background-color: #007bff;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin: 0 10px 10px 0;
  font-size: 16px;
}

button:hover {
  background-color: #0056b3;
}

.footer {
  margin-top: 20px;
  text-align: center;
}

@media (max-width: 480px) {
  button {
    width: 100%;
    margin-right: 0;
  }
}