body {
  font-family: 'Comic Sans MS', cursive, sans-serif;
  background-image: url(s.jpg) ;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 15px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

header {
  text-align: center;
  margin-bottom: 30px;
}

h1 {
  color: #25247b;
  text-shadow: 2px 2px 4px rgb(72, 73, 127, 0.3);
  font-size: 2.5em;
}

.voltar-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 20px;
  background-color: #25247b;
  color: white;
  text-decoration: none;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.voltar-btn:hover {
  background-color: #FF1493;
  transform: scale(1.05);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.video-card {
  background-color: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 5px 15px rgb(0, 42, 255, 0.3);
  transition: transform 0.3s ease;
}

.video-card:hover {
  transform: translateY(-10px);
}

.video-card h3 {
  color: #4c4b8b;
  text-align: center;
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 1.3em;
}

.video-container {
  position: relative;
  overflow: hidden;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 10px;
}

.video-card p {
  margin-top: 15px;
  color: #25247b;
  font-size: 1em;
}

footer {
  text-align: center;
  padding: 20px 0;
  color: white;
  background-color: #25247b;
  border-radius: 0 0 15px 15px;
  font-size: 1.2em;
}

@media (max-width: 768px) {
  .videos-grid {
    grid-template-columns: 1fr;
  }

  .video-card {
    max-width: 100%;
  }
}