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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #2ed573 0%, #ffffff 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  flex-direction: column;
  min-height: 100vh;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  text-align: center;
  max-width: 400px;
}

span {
  font-size: 50px;
}

h1 {
  color: #333;
  margin: 10px 0;
}

p {
  color: #666;
  line-height: 1.6;
}

button {
  background-color: #ff4757;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.2s;
  margin-top: 20px;
}

button:hover {
  transform: scale(1.05);
  background-color: #ff6b81;
}