* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  font-family: Arial, sans-serif;
}

body {
  background-color: #e74c3c;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  text-align: center;
  width: 90%;
  max-width: 600px;
}

.title {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 2rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.check-button {
  font-size: 1.2rem;
  color: #e74c3c;
  background-color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.check-button:hover {
  background-color: #f8f8f8;
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .title {
    font-size: 7rem;
  }

  .check-button {
    font-size: 18%;
    padding: 32px 64px;
  }
}

@media (max-width: 480px) {
  .title {
    font-size: 4.5rem;
  }

  .check-button {
    font-size: 3.3rem;
    padding: 14px 28px;
  }
}