/* Reset some basic styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #e0f7fa, #fce4ec);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #333;
}

/* Header with gradient background */
header {
  width: 100%;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  padding: 40px 20px;
  text-align: center;
  color: white;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 2.5rem;
  animation: fadeIn 1.5s ease-in-out;
}

header h1 span {
  color: #ffd700;
}

/* Button style */
.container {
  margin-top: 40px;
}

.btn {
  background-color: #3498db;
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.btn:hover {
  background-color: #2980b9;
  transform: scale(1.05);
}

/* Fade-in effect */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}