body {
    background: linear-gradient(to bottom, #1e3c72, #2a5298);
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

h1 {
    font-size: 3em;
    margin-top: 50px;
    text-shadow: 2px 2px 4px #000;
}

p {
    font-size: 1.3em;
    max-width: 600px;
    margin: 20px auto;
    padding: 10px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
}

img {
    margin-top: 20px;
    max-width: 300px;
    border: 5px solid #fff;
    border-radius: 20px;
    box-shadow: 0 0 10px #000;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    margin-top: 20px;
    background-color: #ff9800;
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 10px;
    transition: 0.3s;
}

.btn:hover {
    background-color: #ffa726;
    transform: scale(1.05);
}

.fade-in {
  opacity: 0;
  animation: aparecer 1.5s forwards;
}

@keyframes aparecer {
  to {
    opacity: 1;
  }
}